Quantitative Aptitude: Number Series Set 151

  1. Directions : what should come in place of questions (?) marks in the following number series ?
    18, 37, 56, ?, 94
    72
    60
    80
    75
    74
    Option D
    The series is, +19, +19, +19…

     

  2. 15, 8, 9, 20, ?, 256
    68
    40
    42
    92
    63
    Option E
    The series is, (*.5 + 5), (*1 + 1), (*2 + 2), (*3 + 3), (*4 + 4)

     

  3. 1448, 936, 593, 377, ?, 188
    354
    252
    192
    264
    260
    Option B
    The series is, -8^3, -7^3, -6^3, -5^3, -4^3

     

  4. 23, 18, 25, 14, 27, 10, ?
    30
    25
    6
    32
    29
    Option E
    The series is , +2, -4, +2, -4 of alternate numbers.

     

  5. 34, 53, 76, 105, ?, 169
    136
    125
    140
    142
    148
    Option A
    The series is, +19, +23, +29… ( additions of prime numbers )

     

  6. Directions : What will be the wrong number in the given wrong number series ?
    17, 33, 69, 133, 233, 354
    69
    133
    17
    233
    354
    Option E
    The series is, +4^2, +6^2, +8^2, +10^2, +12^2

     

  7. 4, 10, 22, 42, 72, 120
    120
    22
    42
    4
    72
    Option A
    The series is, +(2^2 + 2), +(3^2 + 3), +(4^2 + 4), +(5^2 + 5), +(6^2 + 6)

     

  8. 45, 83, 128, 215, 339, 550
    215
    339
    128
    550
    83
    Option A
    The series is (45 + 83), (83 + 128), (128 + 211), (211 + 339)

     

  9. 32, 64, 192, 768, 3846, 23040
    192
    32
    64
    3846
    23040
    Option D
    The series is *2, *3, *4, *5, *6

     

  10. 28, 34, 46, 70, 118, 220
    46
    220
    28
    118
    46
    Option B
    The series is (+6), (+12), (+24), (+48), (+96)

     

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