Number Series Problems - Questions and Solved Examples - Quantitative Aptitude Quiz

  1. Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
    A. (1/3)
    B. (1/8)
    C. (2/8)
    D. (1/16)
  2. B. (1/8)
    This is a simple division series; each number is one-half of the previous number.
    4/2 = 2
    2/2 = 1
    1/2 = 1/2
    (1/2)/2 = 1/4
    (1/4)/2 = 1/8 and so on.
  3. Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?
    A. 4.2
    B. 4.4
    C. 4.7
    D. 5.1
  4. C. 4.7

    इन प्रश्नों को डिटेल्स में जानने के लिए यह वीडियो जरूर देखें।



  5. Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?
    A. 7
    B. 10
    C. 12
    D. 13
  6. B. 10
    This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.
  7. Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?
    A. 7
    B. 10
    C. 14
    D. 15
  8. D. 15
  9. Look at this series: 31, 29, 24, 22, 17, ... What number should come next?
    A. 15
    B. 14
    C. 13
    D. 12
  10. A. 15
  11. Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?
    A. 52
    B. 56
    C. 96
    D. 128
  12. B. 56
  13. Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?
    A. 22
    B. 24
    C. 25
    D. 26
  14. C. 25
  15. Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
    A. 10
    B. 14
    C. 40
    D. 53
  16. B. 14
    In this series, each number is repeated, then 13 is subtracted to arrive at the next number.

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  17. Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?
    A. 14
    B. 15
    C. 21
    D. 23
  18. B. 15
  19. Look at this series: 8, 22, 8, 28, 8, ... What number should come next?
    A. 8
    B. 28
    C. 30
    D. 34
  20. D. 34
    This is a simple addition series with a random number 8, interpolated as every other number. In the series, 6 is added to each number except 8, to arrive at the next number.
  21. Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
    A. 20
    B. 22
    C. 23
    D. 26
  22. B. 22
  23. Look at this series: 58, 52, 46, 40, 34, ... What number should come next?
    A. 26
    B. 28
    C. 30
    D. 32
  24. B. 28
  25. Look at this series: 201, 202, 204, 207, ... What number should come next?
    A. 205
    B. 208
    C. 210
    D. 211
  26. D. 211
  27. Look at this series: 544, 509, 474, 439, ... What number should come next?
    A. 404
    B. 414
    C. 420
    D. 445
  28. A. 404

    इन प्रश्नों को डिटेल्स में जानने के लिए यह वीडियो जरूर देखें।



  29. Look at this series: 1,000, 200, 40, ... What number should come next?
    A. 8
    B. 10
    C. 15
    D. 20
  30. A. 8
  31. Look at this series: 4, ..., 14, 40, 88, 170. What number should come next?
    A. 6
    B. 8
    C. 10
    D. 12
  32. A. 6
  33. Look at this series: 6, 6, 7, ..., 91, 463. What number should come next?
    A. 25
    B. 33
    C. 38
    D. 43
  34. A. 25
  35. Look at this series: 2, 5, 17, 50, 122, ... What number should come next?
    A. 225
    B. 242
    C. 252
    D. 257
  36. D. 257
  37. Look at this series: 4, 4, 6, 12, 30, ... What number should come next?
    A. 90
    B. 92
    C. 95
    D. 98
  38. A. 90
  39. Look at this series: 1, 2, 6, 17, ..., 157.5. What number should come next?
    A. 40.5
    B. 42.5
    C. 49.5
    D. 50.5
  40. C. 49.5