Monday, June 24, 2024
Banking QuizQuant

Quantitative Aptitude: Number Series Set 14

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

  1. 4, 15, 52, 157, 480, 1451
    A) 1451
    B) 480
    C) 15
    D) 52
    E) 157
    View Answer
    Option D
    Pattern:
    4×3 + 3 = 15
    15×3 + 5 = 50
    50×3 + 7 = 157
    157×3 + 9 = 480
    480×3 + 11 = 1451
  2. 2, 11, 82, 569, 3410, 17050
    A) 569
    B) 17050
    C) 11
    D) 3410
    E) 82
    View Answer
    Option B
    Pattern:  
    2×9 – 7 = 11
    11×8 – 6 = 82
    82×7 – 5 = 569
    569×6 – 4 = 3410
    3410×5 – 3 = 17047
     
  3. 3, 6, 12, 30, 108, 462
    A) 12
    B) 108
    C) 6
    D) 20
    E) 462
    View Answer
    Option B
    Pattern:
  4. -2, 4, 20, 48, 102, 188     
    A) 188
    B) 102
    C) 48
    D) 4
    E) 20
    View Answer
    Option E
    Pattern:
    Difference of difference series.
  5. 8, 17, 40, 133, 538, 2695
    A) 2695
    B) 17
    C) 40
    D) 538
    E) 133
    View Answer
    Option C
    Pattern:
    8×1 + 9 = 17
    17×2 + 8 = 42
    42×3 + 7 = 133
    133×4 + 6 = 538
    538×5 + 5 = 2695
  6. 1025, 523, 257, 129, 65, 33
    A) 33
    B) 129
    C) 257
    D) 523
    E) 65
    View Answer
    Option D
    Pattern:
    ÷2 + 0.5, ÷2 + 0.5, ÷2 + 0.5, ÷2 + 0.5, ÷2 + 0.5
  7. 572, 284, 140, 58, 32, 14
    A) 284
    B) 58
    C) 32
    D) 14
    E) 140
    View Answer
    Option B
    Pattern:
    (572 – 4) ÷ 2 = 284
    (284 – 4) ÷ 2 = 140   
    (140 – 4) ÷ 2 = 68
    (68 – 4) ÷ 2 = 32
    (32 – 4) ÷ 2 = 14
  8. 6, 4, 8, 34, 230, ?
    A) 2070
    B) 2020
    C) 2050
    D) 2060
    E) 2080
    View Answer
    Option D
    Pattern:
    *1 – 2, *3 – 4, *5 – 6, *7 – 8, *9 – 10.
  9. 10495, 1741, 549, 79, 21, 6 
    A) 21
    B) 1741
    C) 549
    D) 79
    E) 6
    View Answer
    Option C
    Pattern:
    (10495 – 49) ÷ 6 = 1741
    (1741 – 36) ÷ 5 = 341
    (341 – 25) ÷ 4 = 79
    (79 – 16) ÷ 3 = 21
    (21 – 9) ÷ 2 = 6
  10. 2, 8, 32, 265, 2932, 41068
    A) 41068
    B) 8
    C) 2932
    D) 32
    E) 265
    View Answer
    Option E
    Pattern:
    2 × 2 + 4 = 8
    8 × 5 – 8 = 32
    32 × 8 + 12 = 268
    268 × 11 – 16 = 2932
    2932 × 14 + 20 = 41068

 

 

 

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