Quantitative Aptitude: Number Series Set 53 (Asked in IBPS RRB PO Main)

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Number Series asked IBPS RRB PO Main 5 November 2017

Directions: The following series are based on certain pattern. One number in the series is wrong. Find the odd one out

  1. 3, 4, 9, 28, 113, 565, 3397
    A) 4
    B) 9
    C) 28
    D) 113
    E) 565
    View Answer
      Option E
    Pattern    :
    *1 + 1, *2 + 1, *3 + 1, *4 + 1, *5 + 1
    565 -> 566
  2. 4, 6, 12, 30, 60, 315, 1260
    A) 6
    B) 12
    C) 30
    D) 60
    E) 315
    View Answer
      Option D
    Pattern    :
    *1.5, *2, *2.5, *3, *3.5, *4
    So 60 -> 90
  3. 200, 196, 192, 180, 160, 130, 88
    A) 196
    B) 192
    C) 180
    D) 160
    E) 130
    View Answer
      Option A
    Pattern    :
    Pattern should be like
    ………-2…………-6………….-12………..-20…………..-30…………..-42
    ……………..-4…………-6………….-8…………-10…………..-12
    So 196 -> 198
  4. 9.2, 10.6, 7.6, 12.4, 6, 14, 4.4
    A) 10.6
    B) 7.6
    C) 12.4
    D) 6
    E) 14
    View Answer
      Option A
    Pattern    :
    Two series
    9.2 – 1.6 = 7.6, 7.6 – 1.6 = 6, 6 – 1.6 = 4.4
    10.8 + 1.6 = 12.4, 12.4 + 1.6 = 14
    So 10.6 -> 10.8
  5. 1, 730, 973, 1054, 1081, 1069, 1093
    A) 730
    B) 973
    C) 1054
    D) 1081
    E) 1069
    View Answer
      Option E
    Pattern    :
    +36, +35, +34, +33, +32, +31
    So 1069 -> 1090

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52 thoughts on “Quantitative Aptitude: Number Series Set 53 (Asked in IBPS RRB PO Main)”

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