Class-VII Number Series

Class-VII

Number Series

Assignment No.1

  1. 2, 6, 14, ?, 62, 126
  2. (a) 26                                     (b) 32                                    (c) 30                                     (d) 41

  3. 1/24, ?, 7/18, 10/15, 13/12, 16/9
  4. (a) 4/21                                                (b) 3/21                                                (c) 2/20                                 (d) 2/16

  5. 243, 162, 108, 72, ?, 32
  6. (a) 42                                     (b) 45                                    (c) 49                                     (d) 48

  7. ?, 0.99, 9.9, 99, 990, 9900
  8. (a) 0.099                               (b) 0.0999                            (c) 0.099                               (d) 0.0099

  9. 2, 7, 11, 16, ?, 25
  10. (a) 20                                     (b) 21                                    (c) 18                                     (d) 22

  11. 3, 10, 20, 27, ?, 44
  12. (a) 35                                     (b) 37                                    (c) 40                                     (d) 41

  13. 2, 3, 4, 12, 6, 23, 8, 36, 10, ?
  14. (a) 12                                     (b) 51                                    (c) 47                                     (d) 49

  15. 8, 27, 64, ?, 216, 343
  16. (a) 125                                  (b) 122                                  (c) 134                                   (d) 120

  17. 144, 121, 100, ?, 64, 49
  18. (a) 89                                     (b) 81                                    (c) 72                                     (d) 84

  19. 213, 426, ?, 852, 1065, 1278
  20. (a) 639                                  (b) 578                                  (c) 525                                   (d) 662

  21. 200, 196, 180, 116, ?
  22. (a) 256                                  (b) 372                                  (c) 225                                   (d) 276

  23. 500, 475, 425, 350, 250, ?
  24. (a) 100                                  (b) 125                                  (c) 225                                   (d) 175

  25. 1, 3, 6, 10, 15, ?
  26. (a) 25                                     (b) 20                                    (c) 18                                     (d) 21

    (a) 20                                     (b) 23                                    (c) 21                                     (d) 27

  27.  4, 8, 16, 32, 64, ?
  28. (a) 72                                     (b) 125                                  (c) 128                                   (d) 216

  29.  21, 25, 33, 49, 81, ?

    (a) 145                             (b) 132                   (c) 113                             (d) 101
  30. 2, 7, 9, 3, 8, 11, 4, 9, 13, ?, 10, 15

    (a) 3                                       (b) 4                                       (c) 5                                       (d) 6
  31. 5, 7, 12, 6, 8, 14, 7, ?, 16, 8, 10, 18

    (a) 8                                       (b) 9                                       (c) 10                                     (d) 12
  32. 2, 3, 4, 9, 8, 27, 16, ?

    (a) 81                                     (b) 49                                    (c) 64                                     (d) 100
  33. 91, 85, 94, 83, 97, 81, ?, 79

    (a) 98                                     (b) 105                                  (c) 100                                   (d) 120
  34. 1, 12, 2, 10, 3, 8, 4, 6, ?, ?

    (a) 2, 3                                  (b) 7, 6                                  (c) 9, 8                                   (d) 5, 4 
  35. 2, 1, (1/2), (1/4), ?

(a) (1/3)                               (b) (1/8)                               (c) (2/8)                                (d) (1/16)