Every data sufficiency consist of some basic information and related question some followed by statement which gives us some information which may or may not help us answer the question . The main question of data sufficiency is on finding out whether the information contain in the statement are sufficient to answer the question asked. Accordingly one has to mark the answer based on the given option.
Types of Instruction
one of the typical variations introduced in data sufficiency question is by changing the way option have to be marked .The following two option scheme are the most commonly used in data sufficiency question .
Option scheme one :
1. As your answer ,if statement A alone is sufficient to answer the question .
2. As your answer ,if statement B alone is sufficient to answer the question.
3. As your answer , if both the statement are required to answer the question.
4. As your answer ,if the question cannot be answered even by using both the statement is correct.
Option scheme Two :
1. As your answer ,if statement A alone as well as statement B alone is sufficient to answer the question asked.
2. As your answer,if both the statement A and B are required to answer the question asked.
3. As your answer,if any of the statement A or B is sufficient to answer the question asked but both individually are not correct.
4. as your answer, if the question cannot be answered even by using both statements together.
Examples of Data Sufficiency Questions
Let us start straightaway with examples so that you can understand what Data Sufficiency means.
For each of the following questions mark:
(A) If you can get the answer from (1) ALONE but not from (2) alone
(B) If you can get the answer from (2) ALONE but not from (1) alone
(C) If you can get the answer from BOTH (1) and (2) TOGETHER but not from (1) alone or (2) alone
(D) If EITHER statement (1) ALONE OR statement (2) ALONE suffices
(E) If you CANNOT get the answer from statements (1) and (2) TOGETHER but need more data
1.Did the price of power rise last year?
(1) If the price of power rose last year, then the price of petrol would rise this year.
(2) The price of petrol rose this year.
Solution: (E); Statements (1) and (2) are not sufficient. The price of petrol could rise for other reasons besides the price of power rising.
2.Is x an odd integer?
(1) X is divisible by 7.
(2) The square root of x is an integer divisible by 7.
Solution: (E); Statement (1) is insufficient since 21 (which is odd) and 28 (which is even) are both divisible by 7.
Statement (2) is also insufficient since 
and 
are both divisible by 7. Both 196 and 441 are divisible by 7, so (1) and (2) together are still insufficient.
Process of Solving Data Sufficiency Questions
The three data sets to be considered while solving a question:
As seen above every question in Data Sufficiency has a question statement (which might or might not contain information about the question asked), followed by tow statements (viz. Statement A and Statement B) containing information which is related to the question asked.
In order to test which option to mark you need to consider three data sets to solve the question.
While considering any Data Set in this manner your only focus should be on whether you can get an answer to the question or not.
Data Sufficiency Questions from Previous Year Exam
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Question 1 of 46
1. Question
1 pointsIn each of the questions below consists of a question and two statements numbered 1 and 2 given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and
Give answer
Question: How is T related to K?
Statements:
1. K has two sons; one of the sons is A.
2. The mother of T has only two sons - Aand B.Correct
From 2 , we know that T's mother has only two sons, A and B. This implies that T is the sister of both A and B. But, from 1 , A is also K's son. So, T is the daughter of K.
Incorrect
From 2 , we know that T's mother has only two sons, A and B. This implies that T is the sister of both A and B. But, from 1 , A is also K's son. So, T is the daughter of K.
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Question 2 of 46
2. Question
1 pointsQuestion: What is the shortest distance between Devipur and Durgapur ?
Statements:
Durgapur is 20 kms away from Rampur.
Devipur is 15 kms away from Rampur.Correct
Clearly, the distance of each village from Rampur is given in 1 and 2 . But nothing about their relative positions is mentioned. So, the distance between the two villages cannot be calculated.
Incorrect
Clearly, the distance of each village from Rampur is given in 1 and 2 . But nothing about their relative positions is mentioned. So, the distance between the two villages cannot be calculated.
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Question 3 of 46
3. Question
1 pointsQuestion: How is A related to D ?
Statements:
1. B is the brother of A.
2. B is D's son.Correct
From 1 and 2 , we conclude that A is either son or daughter of D.
Incorrect
From 1 and 2 , we conclude that A is either son or daughter of D.
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Question 4 of 46
4. Question
1 pointsQuestion: Manoj, Prabhakar, Akash and Kamal are four friends. Who among them is the heaviest ?
Statements:
1. Prabhakar is heavier than Manoj and Kamal but lighter than Akash.
2. Manoj is lighter than Prabhakar and Akash but heavier than Kamal.Correct
From I, we have: P > M, P > K, A > P.
Thus, A > P > M > K or A > P > K > M. So, Akash is the heaviest.
From II, we have: P > M, A > M, M > K.
Thus, A > P > M > K or P > A > M > K. So, either Akash or Prabhakar is the heaviest.
Incorrect
From I, we have: P > M, P > K, A > P.
Thus, A > P > M > K or A > P > K > M. So, Akash is the heaviest.
From II, we have: P > M, A > M, M > K.
Thus, A > P > M > K or P > A > M > K. So, either Akash or Prabhakar is the heaviest.
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Question 5 of 46
5. Question
1 pointsQuestion: Vinod's and Javed's salaries are in the proportion of 4 : 3 respectively. What is Vinod's salary ?
Statements:
1. Javed's salary is 75% that of Vinod's salary.
2. Javed's salary is Rs 4500.Correct
Statement 1 is merely an interpretation of the information contained in the question.
However, Vinod's salary can be ascertained from 2 as follows : Let Vinod's and Javed's salaries be 4x and 3x respectively. Then, 3x = 4500 or x = 1500. Therefore Vinod's salary = 4x = Rs. 6000.
Incorrect
Statement 1 is merely an interpretation of the information contained in the question.
However, Vinod's salary can be ascertained from 2 as follows : Let Vinod's and Javed's salaries be 4x and 3x respectively. Then, 3x = 4500 or x = 1500. Therefore Vinod's salary = 4x = Rs. 6000.
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Question 6 of 46
6. Question
1 pointsQuestion: What is Nitin's rank from the top in a class of forty students ?
Statements:
1. There are ten students between Nitin and Deepak.
2. Deepak is twentieth from the top.Correct
Since there are ten students between Nitin and Deepak, so Nitin may be eleven ranks above or below Deepak. Thus, Nitin may be 9th or 31st from the top.
Incorrect
Since there are ten students between Nitin and Deepak, so Nitin may be eleven ranks above or below Deepak. Thus, Nitin may be 9th or 31st from the top.
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Question 7 of 46
7. Question
1 pointsQuestion: Which direction is Sunny facing now ?
Statements:
1. If Sunny turns to his right and again turns to his right, he will be facing North.
2. If Sunny walks some distance and turns left and again walks some distance, then his face will be towards left of Dinesh who is facing South.Correct
From 1 , we conclude that Sunny is facing South, since a person facing South shall face North on turning to his right, twice.
From 2 , we know that after walking, Sunny shall face towards left of Dinesh facing South i.e. East and a person walking southwards shall face East on turning to 'his left.
Thus, Sunny is facing South.
Incorrect
From 1 , we conclude that Sunny is facing South, since a person facing South shall face North on turning to his right, twice.
From 2 , we know that after walking, Sunny shall face towards left of Dinesh facing South i.e. East and a person walking southwards shall face East on turning to 'his left.
Thus, Sunny is facing South.
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Question 8 of 46
8. Question
1 pointsQuestion: T studies in which of the schools B, C, D, E and F ?
Statements:
1. T does not study in the same school as either R or J.
2. R and J study in schools D and F respectively.Correct
As given in 1 and 2 , R studies in school D and J studies in school F. So, T does not study in school D or school F. Thus, T studies in any one of the schools B, C or E.
Incorrect
As given in 1 and 2 , R studies in school D and J studies in school F. So, T does not study in school D or school F. Thus, T studies in any one of the schools B, C or E.
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Question 9 of 46
9. Question
1 pointsQuestion: How is Divya related to Shaloo ?
Statements:
1. Divya's mother is sister of Shaloo's father.
2. Shaloo is the daughter of Divya's grandfather's only child.Correct
From 1 , we conclude that Divya's mother is Shaloo's aunt or Divya is Shaloo's cousin.
Now, Divya's grandfather's only child is Divya's parent. So, from 2 , we conclude that Shaloo and Divya are daughters of the same parents i.e. Divya is Shaloo's sister.Incorrect
From 1 , we conclude that Divya's mother is Shaloo's aunt or Divya is Shaloo's cousin.
Now, Divya's grandfather's only child is Divya's parent. So, from 2 , we conclude that Shaloo and Divya are daughters of the same parents i.e. Divya is Shaloo's sister. -
Question 10 of 46
10. Question
1 pointsQuestion: How many New Year's greeting cards were sold this year in your shop ?
Statements:
1. Last year 2935 cards were sold.
2. The number of cards sold this year was 1.2 times that of last year.Correct
From both 1 and 2 , we find that the number of cards sold this year = (2935 x 1.2) = 3522.
Incorrect
From both 1 and 2 , we find that the number of cards sold this year = (2935 x 1.2) = 3522.
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Question 11 of 46
11. Question
1 pointsQuestion: How is Sulekha related to Nandini ?
Statements:
1. Sulekha's husband is the only son of Nandini's mother.
2. Sulekha's brother and Nandini's husband are cousins.Correct
From 1 , we conclude that Sulekha is the wife of Nandini's mother's only son i.e. Nandini's brother. Thus, Sulekha is Nandini's sister-in-law.
From 2 , we conclude that Sulekha is the cousin of Nandini's husband, which implies that Sulekha is Nandini's sister-in-law.
Incorrect
From 1 , we conclude that Sulekha is the wife of Nandini's mother's only son i.e. Nandini's brother. Thus, Sulekha is Nandini's sister-in-law.
From 2 , we conclude that Sulekha is the cousin of Nandini's husband, which implies that Sulekha is Nandini's sister-in-law.
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Question 12 of 46
12. Question
1 pointsQuestion: Can Ritesh retire from office X in January 2006, with full pension benefits ?
Statements:
1. Ritesh will complete 30 years of service in office X in April 2000 and desires to retire.
2. As per office X rules, an employee has to complete minimum 30 years of service and attain age of 60. Ritesh has 3 years to complete age of 60.Correct
Clearly, the facts given in I and II contain two conditions to be fulfilled to get retirement and also indicate that Ritesh fulfills only one condition out of them.
Incorrect
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Question 13 of 46
13. Question
1 pointsQuestion: What is the code for 'or' in the code language?
Statements:
1. 'nik sa te' means 'right or wrong', 'ro da nik' means 'he is right' and 'fe te ro' means 'that is wrong'.
2. 'pa nik la' means 'that right man', 'sa ne pa' means 'this or that' and 'ne ka re' means 'tell this there'.Correct
1 . In 'right or wrong' and 'he is right', the common word is 'right' and the common code word is 'nik'. So 'nik' means 'right'. In 'right or wrong' and 'that is wrong', the common word is 'wrong' and the common code word is 'te'. So, 'te' means 'wrong'.
Thus, in 'right or wrong', 'sa' is the code for 'or'. 2 . In 'that right man' and 'this or that', the common word is 'that' and the common code word is 'pa'. So, 'pa' means 'that'. In 'this or that' and 'tell this there', the common word is 'this' and the common code word is 'ne'. So, 'ne' means 'this'. Thus, in 'this or that', 'sa' is the code for 'or'.
Incorrect
1 . In 'right or wrong' and 'he is right', the common word is 'right' and the common code word is 'nik'. So 'nik' means 'right'. In 'right or wrong' and 'that is wrong', the common word is 'wrong' and the common code word is 'te'. So, 'te' means 'wrong'.
Thus, in 'right or wrong', 'sa' is the code for 'or'. 2 . In 'that right man' and 'this or that', the common word is 'that' and the common code word is 'pa'. So, 'pa' means 'that'. In 'this or that' and 'tell this there', the common word is 'this' and the common code word is 'ne'. So, 'ne' means 'this'. Thus, in 'this or that', 'sa' is the code for 'or'.
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Question 14 of 46
14. Question
1 pointsQuestion: Madan is elder than Kamal and Sharad is younger than Arvind. Who among them is the youngest ?
Statements:
1. Sharad is younger than Madan.
2. Arvind is younger than Kamal.Correct
As given, we have: M > K, A > S.
From 2 , K > A. Thus, we have: M > K > A > S.
So, Shared is the youngest. From 1 , M > S. Thus, we have: M>K>A>S or M>A>K>S or M>A>S>K.
Incorrect
As given, we have: M > K, A > S.
From 2 , K > A. Thus, we have: M > K > A > S.
So, Shared is the youngest. From 1 , M > S. Thus, we have: M>K>A>S or M>A>K>S or M>A>S>K.
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Question 15 of 46
15. Question
1 pointsuestion: On which date in August was Kapil born ?
Statements:
1. Kapil's mother remembers that Kapil was born before nineteenth but after fifteenth.
2. Kapil's brother remembers that Kapil was born before seventeenth but after twelfth.Correct
From 1, we conclude that Kapil was born on any one of the dates among 16th, 17th and 18th.
From 2, we conclude that Kapil was born on any one of the dates among 13th, 14th, 15th and 16th.
Thus, from both 1 and 2 , we conclude that Kapil was born on 16th August.
Incorrect
From 1, we conclude that Kapil was born on any one of the dates among 16th, 17th and 18th.
From 2, we conclude that Kapil was born on any one of the dates among 13th, 14th, 15th and 16th.
Thus, from both 1 and 2 , we conclude that Kapil was born on 16th August.
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Question 16 of 46
16. Question
1 pointsQuestion: Among T, V, B, E and C, who is the third from the top when arranged in the descending order of their weights ?
Statements:
1. B is heavier than T and C and is less heavier than V who is not the heaviest.
2. C is heavier than only T.Correct
From 1 , we have: B > T, B > C, V > B. Thus, V is heavier than each one of B, T and C. But V is not the heaviest. So, E is the heaviest.
Thus, we have the order. E>V>B>T>C or E>V>B>C>T. Clearly, B is third from the top.
Incorrect
From 1 , we have: B > T, B > C, V > B. Thus, V is heavier than each one of B, T and C. But V is not the heaviest. So, E is the heaviest.
Thus, we have the order. E>V>B>T>C or E>V>B>C>T. Clearly, B is third from the top.
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Question 17 of 46
17. Question
1 pointsQuestion: Which word in the code language means 'flower' ?
Statements:
1. 'de fu la pane' means 'rose flower is beautiful' and 'la quiz' means 'beautiful tree'.
2. 'de la chin' means 'red rose flower' and 'pa chin' means 'red tea'.Correct
From the two statements given in 1 , the code for the only common word 'beautiful' can be determined.
From the two statements given in 2 , the code for the only common word 'red' can be determined.
In 1 and 2 , the common words are 'rose and 'flower' and the common code words are 'de' and 'la'. So, the code for 'flower' is either 'de' or 'la'.
Incorrect
From the two statements given in 1 , the code for the only common word 'beautiful' can be determined.
From the two statements given in 2 , the code for the only common word 'red' can be determined.
In 1 and 2 , the common words are 'rose and 'flower' and the common code words are 'de' and 'la'. So, the code for 'flower' is either 'de' or 'la'.
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Question 18 of 46
18. Question
1 pointsQuestion: How many students in a class play football ?
Statements:
1. Only boys play football.
2. There are forty boys and thirty girls in the class.Correct
It is not mentioned whether all the boys or a proportion of them play football.
Incorrect
It is not mentioned whether all the boys or a proportion of them play football.
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Question 19 of 46
19. Question
1 pointsQuestion: Who is C's partner in a game of cards involving four players A, B, C and D ?
Statements:
1. D is sitting opposite to A.
2. B is sitting right of A and left of D.Correct
Clearly, each of the given statements shows that B is sitting opposite to C or B is the partner of C.
Incorrect
Clearly, each of the given statements shows that B is sitting opposite to C or B is the partner of C.
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Question 20 of 46
20. Question
1 pointsQuestion: On a T.V. channel, four serials A, B, C and D were screened, one on eacn day, on four consecutive days but not necessarily in that order. On which day was the serial C screened ?
Statements:
1. The first serial was screened on 23rd, Tuesday and was followed by serial D.
2. Serial A was not screened on 25th and one serial was screened between serials A and B.Correct
From 1 , we know that the serials were screened on 23rd, 24th, 25th and 26th.
Clearly, D was screened second i.e. on 24th, Wednesday.
From 2 , we know that one serial was screened between A and B.
So, A and B were screened first and third, i.e. on 23rd and 25th. But, A was not screened on 25th.
So, A was screened on 23rd and B on 25th. Thus, C was screened on 26th, Friday.
Incorrect
From 1 , we know that the serials were screened on 23rd, 24th, 25th and 26th.
Clearly, D was screened second i.e. on 24th, Wednesday.
From 2 , we know that one serial was screened between A and B.
So, A and B were screened first and third, i.e. on 23rd and 25th. But, A was not screened on 25th.
So, A was screened on 23rd and B on 25th. Thus, C was screened on 26th, Friday.
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Question 21 of 46
21. Question
1 pointsQuestion: How many children are there in the row of children facing North ?
Statements:
1. Vishakha who is fifth from the left end is eighth to the left of Ashish who is twelfth from the right end.
2. Rohit is fifth to the left of Nisha who is seventh from the right end and eighteenth from the left end.Correct
Since 8th to the left of 12th from the right is 20th from the right, so from 1 , we know that Vishakha is 5th from left and 20th from right i.e. there are 4 children to the left and 19 to the right of Vishakha. So, there are (4 + 1 + 19) i.e. 24 children in the row.
From 2 , Nisha is 7th from right and 18th from left end of the row.
So, there are (6 + 1 + 17) = 24 children in the row.
Incorrect
Since 8th to the left of 12th from the right is 20th from the right, so from 1 , we know that Vishakha is 5th from left and 20th from right i.e. there are 4 children to the left and 19 to the right of Vishakha. So, there are (4 + 1 + 19) i.e. 24 children in the row.
From 2 , Nisha is 7th from right and 18th from left end of the row.
So, there are (6 + 1 + 17) = 24 children in the row.
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Question 22 of 46
22. Question
1 pointsQuestion: How many doctors are practising in this town ?
Statements:
1. There is one doctor per seven hundred residents.
2. There are 16 wards with each ward having as many doctors as the number of wards.Correct
From 1 , total number of doctors in town = (1/700 x N) , where N = total number of residents in town. But, the value of N is not known.
From 2 , total number of doctors in town
= (Number of wards in town) x (Number of doctors in each ward)
= 16 x 16 = 256.
Incorrect
From 1 , total number of doctors in town = (1/700 x N) , where N = total number of residents in town. But, the value of N is not known.
From 2 , total number of doctors in town
= (Number of wards in town) x (Number of doctors in each ward)
= 16 x 16 = 256.
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Question 23 of 46
23. Question
1 pointsQuestion: On which day of the week was birthday of Sahil ?
Statements:
1. Sahil celebrated his birthday the very next day on which Arun celebrated his birthday.
2. The sister of Sahil was born on the third day of the week and two days after Sahil was born.Correct
1 does not mention the day of the week on the birthday of either Arun or Sahil.
According to 2 , Sahil's sister was born on Wednesday and Sahil was born two days before Wednesday i.e. on Monday.
Incorrect
1 does not mention the day of the week on the birthday of either Arun or Sahil.
According to 2 , Sahil's sister was born on Wednesday and Sahil was born two days before Wednesday i.e. on Monday.
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Question 24 of 46
24. Question
1 pointsQuestion: How many pages of book X did Robert read on Sunday ?
Statements:
1. The book has 300 pages out of which two-thirds were read by him before Sunday.
2. Robert read the last 40 pages of the book on the morning of Monday.Correct
From 1 and 2 , we find that Robert read (300 x 2/3) i.e. 200 pages before Sunday and the last 40 pages on Monday.
This means that he read [300 - (200 + 40)] i.e. 60 pages on Sunday.
Incorrect
From 1 and 2 , we find that Robert read (300 x 2/3) i.e. 200 pages before Sunday and the last 40 pages on Monday.
This means that he read [300 - (200 + 40)] i.e. 60 pages on Sunday.
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Question 25 of 46
25. Question
1 pointsQuestion: How is Tanya related to the man in the photograph ?
Statements:
1. Man in the photograph is the only son of Tanya's grandfather.
2. The man in the photograph has no brothers or sisters and his father is Tanya's grandfather.Correct
From 1 , we conclude that the man is the only son of Tanya's grandfather i.e. he is Tanya's father or Tanya is the man's daughter.
From 2 , we conclude that the man's father is Tanya's grandfather. Since the man has no brothers or sisters, so he is Tanya's father or Tanya is the man's daughter.
Incorrect
From 1 , we conclude that the man is the only son of Tanya's grandfather i.e. he is Tanya's father or Tanya is the man's daughter.
From 2 , we conclude that the man's father is Tanya's grandfather. Since the man has no brothers or sisters, so he is Tanya's father or Tanya is the man's daughter.
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Question 26 of 46
26. Question
1 pointsQuestion: B is the brother of A. How is A related to B ?
Statements:
1. A is the sister of C.
2. E is the husband of A.Correct
B is A's brother means A is either brother or sister of B. Now, each one of 1 and 2 individually indicates that A is a female, which means that A is B's sister.
Incorrect
B is A's brother means A is either brother or sister of B. Now, each one of 1 and 2 individually indicates that A is a female, which means that A is B's sister.
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Question 27 of 46
27. Question
1 pointsQuestion: How many gift boxes were sold on Monday ?
Statements:
1. It was 10% more than the boxes sold on the earlier day i.e. Sunday.
2. Every third visitor to the shop purchased the box and 1500 visitors were there on SundayCorrect
From 2 , we can conclude that (1500 * 3) = 500 boxes were sold on Sunday.
Thus, from 1 , we find that number of boxes sold on Monday = 500 + 10% of 500 = 550.
Incorrect
From 2 , we can conclude that (1500 * 3) = 500 boxes were sold on Sunday.
Thus, from 1 , we find that number of boxes sold on Monday = 500 + 10% of 500 = 550.
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Question 28 of 46
28. Question
1 pointsQuestion: In a certain code language, '297' means 'tie clip button'. Which number means 'button' in that language ?
Statements:
1. In that language, '926' means clip your tie'.
2. In that language, '175' means 'hole and button'.Correct
In given statement and 1 , the common words are 'tie' and 'clip' and the common codes are '2' and '9'. So, '2' and '9' are the codes for 'tie' and 'clip'. Thus, in the given statement, '7' means 'button'. In given statement and 2 , the common code word '7' represents the common word 'button'.
Incorrect
In given statement and 1 , the common words are 'tie' and 'clip' and the common codes are '2' and '9'. So, '2' and '9' are the codes for 'tie' and 'clip'. Thus, in the given statement, '7' means 'button'. In given statement and 2 , the common code word '7' represents the common word 'button'.
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Question 29 of 46
29. Question
1 pointsQuestion: What is Sumit's position from the right end in a row of children?
Statements:
1. There are 10 children between Sumit and Rajan.
2. Rajan is twentieth from the left end of the row of children.Correct
Clearly, neither the number of children in the row is given nor the position of Sumit relative to Rajan is mentioned in any one of 1 or 2 .
Incorrect
Clearly, neither the number of children in the row is given nor the position of Sumit relative to Rajan is mentioned in any one of 1 or 2 .
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Question 30 of 46
30. Question
1 pointsQuestion: In a certain code, 'nop al ed' means They like flowers'. Which code word means 'flowers' ?
Statements:
1. 'id nim nop' means 'They are innocent'.
2. 'gob ots al' means 'We like roses'.Correct
In the given statement and 1 , the common word is 'They' and the common code word is 'nop'. So, 'nop' is the code for 'They'.
In the given statement and 2 , the common word is 'like' and the common code word is 'al'. So, 'al' is the code for 'like'.
Thus, in the given statement, 'ed' is the code for 'flowers'.
Incorrect
In the given statement and 1 , the common word is 'They' and the common code word is 'nop'. So, 'nop' is the code for 'They'.
In the given statement and 2 , the common word is 'like' and the common code word is 'al'. So, 'al' is the code for 'like'.
Thus, in the given statement, 'ed' is the code for 'flowers'.
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Question 31 of 46
31. Question
1 pointsQuestion: What is the code for 'mangoes' in the code language ?
Statements:
1. In that code language, 'Te Le Pa Na' means 'You eat many mangoes' and 'Le Na Da' means 'You sell mangoes'.
2. In the code language, 'Ge Na Se La Le' means 'They eat bananas and mangoes' and 'Ne De Le La' means 'Who others eat bananas'.Correct
In 'You eat many mangoes' and 'Who others eat bananas', the common word is 'eat' and the common code word is 'Le'. So, 'Le' means 'eat'.
In 'You eat many mangoes' and 'They eat bananas and mangoes', the common code word 'Le' stands for 'eat'. So, the other common code word 'Na' stands for the other common word i.e. 'mangoes'.
Incorrect
In 'You eat many mangoes' and 'Who others eat bananas', the common word is 'eat' and the common code word is 'Le'. So, 'Le' means 'eat'.
In 'You eat many mangoes' and 'They eat bananas and mangoes', the common code word 'Le' stands for 'eat'. So, the other common code word 'Na' stands for the other common word i.e. 'mangoes'.
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Question 32 of 46
32. Question
1 pointsQuestion: Which train did Aman catch to go to office ?
Statements:
1. Aman missed his usual train of 10.25 a.m. A train comes in every 5 minutes.
2. Aman did not catch the 10.40 a.m. train or any train after that time.Correct
From 1 and 2 , we conclude that Aman went to office by either 10.30 a.m. or 10.35 a.m. train.
Incorrect
From 1 and 2 , we conclude that Aman went to office by either 10.30 a.m. or 10.35 a.m. train.
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Question 33 of 46
33. Question
1 pointsQuestion: On which day of the week did Hitesh visit the zoo ?
Statements:
1. Hitesh did not visit zoo either on Tuesday or on Thursday.
2. Hitesh visited zoo two days before his mother reached his house which was day after Monday.Correct
According to 1 , Hitesh visited the zoo on any of the week days except Tuesday and Thursday.
According to 2 , Hitesh's mother reached his house day after Monday i.e. on Tuesday.
Thus, Hitesh visited zoo two days before Tuesday i.e. on Sunday.
Incorrect
According to 1 , Hitesh visited the zoo on any of the week days except Tuesday and Thursday.
According to 2 , Hitesh's mother reached his house day after Monday i.e. on Tuesday.
Thus, Hitesh visited zoo two days before Tuesday i.e. on Sunday.
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Question 34 of 46
34. Question
1 pointsQuestion: The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visa/the Purchase department ?
Statements:
1. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion.
2. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.Correct
From 1 , we can conclude that the Chairman visited Purchase department on Monday of the first week of September.
The time of visit of no department is mentioned in 2 , which is, therefore, insufficient
Incorrect
From 1 , we can conclude that the Chairman visited Purchase department on Monday of the first week of September.
The time of visit of no department is mentioned in 2 , which is, therefore, insufficient
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Question 35 of 46
35. Question
1 pointsQuestion: What does 'nip' stand for in a code language ?
Statements:
1. In the code language, 'that is very beautiful' is written as 'se nip sre num'
2. In the same code language, 'my house is beautiful' is written as 'nip sto sre tip'.Correct
In 1 and 2 , the common codes are 'nip' and 'sre' and the common words are 'is' and 'beautiful' So, 'nip' and 'sre' are the codes for 'is' and 'beautiful'. But, the exact word for 'nip' cannot be found out
Incorrect
In 1 and 2 , the common codes are 'nip' and 'sre' and the common words are 'is' and 'beautiful' So, 'nip' and 'sre' are the codes for 'is' and 'beautiful'. But, the exact word for 'nip' cannot be found out
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Question 36 of 46
36. Question
1 pointsQuestion: What is the monthly salary of Prashant ?
Statements:
1. Prashant gets 15% more than Sumit while Sumit gets 10% less than Lokesh.
2. Lokesh's monthly salary is Rs 2500.Correct
From both 1 and 2 , we find that:
Prashant's salary = 115% of (90% of Rs 2500) = Rs 2587.50.
Incorrect
From both 1 and 2 , we find that:
Prashant's salary = 115% of (90% of Rs 2500) = Rs 2587.50.
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Question 37 of 46
37. Question
1 pointsQuestion: How many employees of Bank Z opted for VRS ?
Statements:
1. 18% of the 950 officer cadre employees and 6% of the 1100 other cadre employees opted for VRS.
2. 28% of the employees in the age-group of 51 to 56 and 17% of the employees in all other age-groups opted for VRS.Correct
From 1 , we have: number of employees who opted for VRS = 18% of 950 + 6% of 1100 = 171 + 66 = 237.
From 2 , we cannot get the required answer until and unless the number of employees in age-group 51 to 56 and other age-groups is known.
Incorrect
From 1 , we have: number of employees who opted for VRS = 18% of 950 + 6% of 1100 = 171 + 66 = 237.
From 2 , we cannot get the required answer until and unless the number of employees in age-group 51 to 56 and other age-groups is known.
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Question 38 of 46
38. Question
1 pointsQuestion: Among M, N, D, P and K, who earns more than only the least earner among them ?
Statements:
1. N earns more than M and P but less than only D.
2. M earns more than P who earns less than K.Correct
From 1 , we have: N > M, N > P, D > N. Thus, we have: D > N > M > P or D>N> P>M.
But, from 2 , M earns more than P i.e. D > N > M > P. Also, since P earns less than K and N earns less than only D, so we have: D>N>K>M>P or D>N>M> K > P.
Hence, either K or M earns more than only the least earner i.e. P.
Incorrect
From 1 , we have: N > M, N > P, D > N. Thus, we have: D > N > M > P or D>N> P>M.
But, from 2 , M earns more than P i.e. D > N > M > P. Also, since P earns less than K and N earns less than only D, so we have: D>N>K>M>P or D>N>M> K > P.
Hence, either K or M earns more than only the least earner i.e. P.
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Question 39 of 46
39. Question
1 pointsQuestion: What is Sachin's rank from the top in a class of 25 students ?
Statements:
1. Sachin ranks three ranks above Amit who ranks 18th from the bottom.
2. Sachin's rank from the top is two ranks below Deepti who ranks 23rd from the bottom.Correct
From 1 , We know that in a class of 25 students, Amit ranks 18th from the bottom and 8th from the top.
Sachin is three ranks above Amit and so, Sachin ranks 5th from the top.
From 2 , Deepti ranks 23rd from the bottom and hence, 3rd from the top. Sachin, being 2 ranks below Deepti, is, thus, 5th from the top.
Incorrect
From 1 , We know that in a class of 25 students, Amit ranks 18th from the bottom and 8th from the top.
Sachin is three ranks above Amit and so, Sachin ranks 5th from the top.
From 2 , Deepti ranks 23rd from the bottom and hence, 3rd from the top. Sachin, being 2 ranks below Deepti, is, thus, 5th from the top.
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Question 40 of 46
40. Question
1 pointsQuestion: It is 8.00 p.m., when can Hemant get next bus for Ramnagar from Dhanpur?
Statements:
1. Buses for Ramnagar leave after every 30 minutes, till 10 p.m.
2. Fifteen minutes ago, one bus has left for Ramnagar.Correct
2 reveals that the previous bus had left at 7.45 p.m. As given in 1 , the next bus would leave after 30 minutes i.e. at 8.15 p.m.
Incorrect
2 reveals that the previous bus had left at 7.45 p.m. As given in 1 , the next bus would leave after 30 minutes i.e. at 8.15 p.m.
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Question 41 of 46
41. Question
1 pointsQuestion: What does '$' mean in a code language?
Statements:
1. '5$#3' means 'flowers are really good'.
2. '7#35' means 'good flowers are available'.Correct
In 1 and 2 , the common codes are '5', '#' and '3' and the common words are 'flowers', 'are' and 'good'. Thus, in 1 , the remaining code '$' stands for 'really'.
Incorrect
In 1 and 2 , the common codes are '5', '#' and '3' and the common words are 'flowers', 'are' and 'good'. Thus, in 1 , the remaining code '$' stands for 'really'.
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Question 42 of 46
42. Question
1 pointsQuestion: How many sons does D have ?
Statements:
1. A's father has three children.
2. B is A's brother and son of D.Correct
From both 1 and 2 together, we can conclude that A and B are the children of D, but the sex of A and the third child of D is not known. So, both 1 and 2 together are also not sufficient to answer the question.
Incorrect
From both 1 and 2 together, we can conclude that A and B are the children of D, but the sex of A and the third child of D is not known. So, both 1 and 2 together are also not sufficient to answer the question.
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Question 43 of 46
43. Question
1 pointsQuestion: How is M related to N?
Statements:
1. P, who has only two kids, M and N, is the mother-in-law of Q, who is sister-in-law of N.
2. R, the sister-in-law of M, is the daughter-in-law of S, who has only two kids, M and N.Correct
From 1 , we conclude that P is the mother of M and N, while Q is the daughter-in-law of P and sister-in-law of N. Thus, Q is M's wife and hence, M is N's brother.
From 2 , we conclude that M and N are the children of S. Also, R is the daughter-in-law of S and sister-in-law of M. So, R is N's wife and thus, N is M's brother. Hence, M is either brother or sister of N.
Incorrect
From 1 , we conclude that P is the mother of M and N, while Q is the daughter-in-law of P and sister-in-law of N. Thus, Q is M's wife and hence, M is N's brother.
From 2 , we conclude that M and N are the children of S. Also, R is the daughter-in-law of S and sister-in-law of M. So, R is N's wife and thus, N is M's brother. Hence, M is either brother or sister of N.
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Question 44 of 46
44. Question
1 pointsQuestion: What is the colour of the fresh grass ?
Statements:
1. Blue is called green, red is called orange, orange is called yellow.
2. Yellow is called white, white is called black, green is called brown and brown is called purple.Correct
The colour of fresh grass is 'green' and as given in 2 , 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.
Incorrect
The colour of fresh grass is 'green' and as given in 2 , 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.
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Question 45 of 46
45. Question
1 pointsQuestion: In a row of five buildings - P, Q, R, S and T, which building is in the middle ?
Statements:
1. Buildings S and Q are at the two extreme ends of the row.
2. Building ,T is to the right of building R.Correct
From 1 , we have the order : S, -, -, -, Q. From 2 , we have the order : R, T. Combining the above two, we get two possible orders : S, R, T, P, Q or S, P, R, T, Q. Thus, either T or R is in the middle.
Incorrect
From 1 , we have the order : S, -, -, -, Q. From 2 , we have the order : R, T. Combining the above two, we get two possible orders : S, R, T, P, Q or S, P, R, T, Q. Thus, either T or R is in the middle.
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Question 46 of 46
46. Question
1 pointsQuestion: How many speeches were delivered in the two days' programme ?
Statements:
1. 18 speakers were invited to give at least one speech (maximum of two speech), out of which one-sixth of the speakers could not come.
2. One-third of the speakers gave two speeches each.Correct
From 1 , we find that number of speakers who attended programme =18-(1/6) of 18 = 15.
From 2 , we find that one-third of 15 i.e. 5 speakers gave 2 speeches each, while each of the remaining 10 speakers delivered only one speech.
So, total number of speeches delivered = (5 x 2 + 10 x 1) = 20.
Incorrect
From 1 , we find that number of speakers who attended programme =18-(1/6) of 18 = 15.
From 2 , we find that one-third of 15 i.e. 5 speakers gave 2 speeches each, while each of the remaining 10 speakers delivered only one speech.
So, total number of speeches delivered = (5 x 2 + 10 x 1) = 20.
Data Sufficiency Video Lecture
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