Quantitative Aptitude: Number Series Set 22

Odd Man Out Number Series Quant for SBI PO, IBPS PO, NIACL, NICL, LIC, Dena Bank PO PGDBF, BOI, Bank of Baroda and other competitive exams

Directions: The following series are based on a specific pattern. In these series one number is wrong, find that odd one.

  1. 12, 36, 48, 132, 218, 492, 912
    A) 35
    B) 48
    C) 132
    D) 218
    E) 492
    View Answer
    Option D
    Pattern:
    12×2 + 12 = 36
    36×2 – 24 = 48
    48×2 + 36 = 132
    132×2 – 48 = 216
    216×2 + 60 = 492
    492×2 – 72 = 912
  2. 1148, 586, 304, 162, 90, 62, 33.5
    A) 586
    B) 304
    C) 162
    D) 90
    E) 62
    View Answer
    Option E
    Pattern:
    1148÷2 + 12 = 586
    586÷2 + 11 = 304
    304÷2 + 10 = 162
    162÷2 + 9 = 90
    90÷2 + 8 = 53
    53÷2 + 7 = 912
  3. 26, 50, 148, 516, 2164, 10920, 65664
    A) 50
    B) 148
    C) 516
    D) 2164
    E) 10920
    View Answer
    Option D
    Pattern:
    26×1 + 24×1 = 50
    50×2 + 24×2 = 148
    148×3 + 24×3 = 516
    516×4 + 24×4  = 2160
    2160×5 + 24×5  = 10920
    10920×6 + 24×6  = 65664
  4. 444, 220, 112, 52, 24, 10, 3
    A) 220
    B) 112
    C) 52
    D) 24
    E) 10
    View Answer
    Option B
    Pattern:
    (444-4) ÷ 2 = 220
    (220-4) ÷ 2 = 108
    (108-4) ÷ 2 = 52
    (52-4) ÷ 2 = 24
    (24-4) ÷ 2 = 10
    (10-4) ÷ 2 = 3  
  5. 42, 60, 96, 156, 222, 312, 420
    A) 33
    B) 96
    C) 156
    D) 222
    E) 312
    View Answer
    Option C
    Pattern:
    +18, + 18*2, + 18*3, + 18*4, + 18*5, + 18*6
  6. 14, 9, 12, 28, 121, 942, 15079
    A) 9
    B) 12
    C) 28
    D) 121
    E) 942
    View Answer
    Option D
    Pattern:
    14×0.5 + 2 = 9
    9×1 + 3 = 12
    12×2 + 4 = 928
    28×4 + 5 = 117
    117×8 + 6 = 942
    942×16 + 7 = 15079
  7. 12, 24, 41, 68, 105, 172, 259
    A) 23
    B) 41
    C) 68
    D) 105
    E) 172
    View Answer
    Option D
    Pattern:
    12…….24……..41…….68…….110……172……259
    ….+12……+17…..+27……+42…….+62…..+87
    ……….+5……+10……+15……+20……+25
  8. 9, 16, 27, 50, 77, 124, 191
    A) 16
    B) 27
    C) 50
    D) 77
    E) 124
    View Answer
    Option C
    Pattern:
    9…….16……..27…….46…….77……124……191
    …+7……+11…….+19….+31……+47…..+67
    ……+4……..+8……+12……+16….+20
  9. 9, 21, 45, 94, 189, 381, 765
    A) 21
    B) 45
    C) 94
    D) 189
    E) 381
    View Answer
    Option C
    Pattern:
    9×2 + 3 = 21
    21×2 + 3 = 45
    45×2 + 3 = 93
    93×2 + 3 = 189
    189×2 + 3 = 381
    381×2 + 3 = 765  
  10. 8, 10, 36, 73, 297, 1491, 8953
    A) 10
    B) 36
    C) 73
    D) 297
    E) 1491
    View Answer
    Option B
    Pattern:
    8×1 + 2 = 10,
    10×2 + 3 = 23,
    23×3 + 4 = 73,
    73×4 + 5 = 297,
    297×5 + 6 = 1491,
    1491×6 + 7 = 8953   

 

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9 Thoughts to “Quantitative Aptitude: Number Series Set 22”

  1. sachin shukla@ my turn 2017

    thanks

  2. Oliver Queen

    Mam what is the logic of que 5?

    1. Oliver Queen

      que 7 mein typo?

    2. 5th me 18 k multiples add kiye hai

      1. Oliver Queen

        Haan per series mein fit nahi baith rahe
        Typo to nahi hai ish mein bhi?

      2. PHENOMENAL

        maam plzz give wrong one out high evel for ibps and rbi

  3. Prabakar

    good questions….But keep posting new pattern high level questions..

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