Quantitative Aptitude: Number Series Set 9

Directions: What will come in place of (?) in following series following a certain pattern?

  1. 548, 276, 140, 72, 38, ?
    A) 15
    B) 21
    C) 26
    D) 10
    E) 28
    View Answer
    Option B
    Pattern:

    548/2 + 2, 276/2 + 2, 140/2 + 2,  72/2 + 2, 38/2 + 2,
  2. 6, 11, 26, 71, 206, ?
    A) 565
    B) 624
    C) 622
    D) 611
    E) 498
    View Answer
    Option D
    Pattern:

    11 – 6 = 5, 26 – 11 = 15, 71 – 26 = 45, 206 – 71 = 135
    5*30, 5*31, 5*32, 5*33, 5*34
  3. 5, 9, 25, 97, 481, ?
    A) 2729
    B) 2620
    C) 2321
    D) 2881
    E) 2944
    View Answer
    Option D
    Pattern:

    5*2 – 1, 9*3 – 2, 25*4 – 3, 97*5 – 4, 481*6 – 5
  4. 16, 8, 12, 30, 105,
    A) 422.5
    B) 472.5
    C) 345.5
    D) 432.5
    E) 333.5
    View Answer
    Option B
    Pattern:

    16*0.5, 8*1.5, 12*2.5, 30*3.5, 105
  5. 8, 16, 27, 25, 64, 36, ?
    A) 216
    B) 123
    C) 241
    D) 137
    E) 125
    View Answer
    Option E
    Pattern:

    23, 42, 33, 52, 43, 62, 53
  6. 26, 15, 18, 41, 150, ?
    A) 735
    B) 776
    C) 699
    D) 675
    E) 718
    View Answer
    Option A
    Pattern:

    26*1 – 11, 15*2 – 12, 18*3 – 13, 41*4 – 14, 150*5 – 15,
  7. 948, 692, 564, 500, 468, ?
    A) 357
    B) 486
    C) 452
    D) 378
    E) 492
    View Answer
    Option C
    Pattern:

    – 256, – 256/2, – 256/4, – 256/8, – 256/16
  8. -3, -1, 0, 4, 12, ?
    A) 16
    B) 22
    C) 39
    D) 28
    E) 17
    View Answer
    Option D
    Pattern:

    -3 + (4/2) = -1
    -1 + (2/2) = 0
    0 + (2*2) = 4
    4 + (4*2) = 12
    12 + (8*2) = 28
  9. 32, 24, 28, 58, ?, 1864.5
    A) 335
    B) 233
    C) 259
    D) 231
    E) 343
    View Answer
    Option B
    Pattern:

    32*0.5  + 8
    24*1  + 4
    28*2  + 2
    58*4  + 1
    233*8  + 0.5
  10. 64, 68, 52, 88, 24, ?
    A) 76
    B) 107
    C) 124
    D) 98
    E) 121
    View Answer
    Option C
    Pattern:

    + 2^2, – 4^2, + 6^2, – 8^2, + 10^2

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

  1. ^^^Jaga^^^....

    q6 ka pattern thoda sa galat hai..its 15*2-12

    1. Yes yes. 15 in place of 5 in exp.
      Otherwise its correct

  2. ^^^Jaga^^^....

    q2 ka first digit should be 6

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