Number Series Tricks, Questions and Videos

Alternating Series

In an alternating series, the successive terms increase and decrease alternately. It differs from irregular increase (or decrease) series wherein the successive terms increase (or decrease) continuously but the ratio of increase does not follow a particular trend. While solving an alternate series we should focus on the following possibility of its formation:
1) Whether it is a twin series which has been formed by combining two different series.
2) It has been formed by performing two different kinds of operations alternately on successive terms.

For example: 6, 13, 12, 40, 24, 104, 48, 229, 96…

In the above series, there are two series 6, 12, 24, 48, 96…and 13, 40, 104,229...i.e. the fist one is a geometric series with first term 6 and common ratio 2.
In the second series, terms are having difference 27, 64, 125…. i.e…, 33,45,53

Odd Man Out (Wrong Number) in a Series

For example:

3, 5, 7, 9, 11…. 9 is the odd man out because all others are prime numbers.
2, 3, 7, 10, 11… Except 10, all are prime numbers.
3, 10, 29, 66, 127, 220, 345….. Except 220, all other terms can be expressed as x3+2, where x = 1, 2, 3…..

 

Latest Jobs

  1. Type
    Job Notification
    Job
    IOCL Invites Application for 1542 Apprentice - Last Date 15-11-2019
    Location
    Anywhere
    Date Posted
    5 Nov 2019
  2. Type
    Job Notification
    Job
    SAIL Bhilai Recruitment of Operator cum Technician, Nurse, Fire Station Officer, and more - Last Date 15-11-2019
    Location
    Vaishali NagarChhattisgarh, India
    Date Posted
    5 Nov 2019
  3. Type
    Job Notification
    Job
    Naval Ship Repair Yard, Karnataka Recruitment of 145 ITI qualified. - Last Date 01-12-2019
    Location
    KarwarKarnataka, India
    Date Posted
    5 Nov 2019
  4. Type
    Job Notification
    Job
    IIT Dhanbad 191 Recruitment Engineers, Staff Nurse and others - Last Date 14-12-2019
    Location
    DhanbadJharkhand, India
    Date Posted
    5 Nov 2019
  5. Type
    Job Notification
    Job
    INDIAN Bank Recruitment of 115 Security Guard cum Peon – Last Date 08-11-2019
    Location
    Anywhere
    Date Posted
    28 Oct 2019
  6. Type
    Job Notification
    Job
    AIIMS Rishikesh 184 Recruitment Staff Nurse, Assistant Nursing Superintendent – Last Date 30-11-2019
    Location
    RishikeshUttarakhand, India
    Date Posted
    28 Oct 2019
  7. Type
    Job Notification
    Job
    Cement Corporation of India Recruitment of 60 Artisan Trainees - Last Date - 25-10-2019
    Location
    Anywhere
    Date Posted
    25 Oct 2019
  8. Type
    Job Notification
    Job
    MFL Recruitment of 93 Engineering, Management Trainees, Assistant Trainees - Last Date 25-10-2019
    Location
    ChennaiTamil Nadu, India
    Date Posted
    25 Oct 2019
  9. Type
    Job Notification
    Job
    MRPL Recruitment - 233 Assistant - Last Date 09-11-2019
    Location
    MangaloreKarnataka, India
    Date Posted
    25 Oct 2019
  10. Type
    Job Notification
    Job
    ISRO Recruitment 327 Engineer - Last Date 18-11-2019
    Location
    BengaluruKarnataka, India
    Date Posted
    25 Oct 2019

Jobs by Category

Syllabus and Previous Papers

One Response to “Number Series Tricks, Questions and Videos”

  1. Comment made by Sohan on Mar 20th 2019 at 12:32 am: Reply

    sohanchopra213@gmail.com

Leave a Reply

Your email address will not be published. Required fields are marked *