Number Series 

Directions: Find the Missing number

1.         4, 7, 11, 18, 29, 47, ....., 123, 199

(a) 76            (b) 70               (c) 84            (d) 102             (e) 95

2.         2, 6, 12, 20 ,...., 42, 56, 72, 90

(a) 20            (b) 21               (c) 30            (d) 12               (e) 23

3.         2, ....., 8, 16, 32, 64, 128, 256               

(a) 2              (b) 3                 (c) 5              (d) 4                 (e) None

4.         45, 54, 47,...., 49, 56, 51, 57, 53

(a) 48            (b) 55               (c) 50            (d) 53               (e) None

5.         3, 128, 6, 64, 9, ...., 12, 16, 15, 8

(a) 32            (b) 12               (c) 108          (d) 72               (e) 64

6.         5, 7, 11, 19, 35, 67, ...., 259

(a) 64            (b) 131             (c) 135          (d) 32               (e) None

7.         83, 82, 81, ...., 69, 60, 33, 17, -47

(a) 73            (b) 80               (c) 75            (d) 77               (e) None

8.         77, 78, 77, 81, 73; ..., 55

(a) 69            (b) 71               (c) 82            (d) 89               (e) None

Directions: Find the Wrong number in the series

9.         376, 188, 88, 40, 16, 4, - 2

(a) 4              (b) 16               (c) 40            (d) 188             (e) None

10.      444, 300, 200, 136, 87, 84, 80

(a) 200         (b) 136             (c) 87            (d) 80               (e) None

11.      2, 3, 12, 37, 86, 166, 288

(a) 2              (b) 3                 (c) 166          (d) 86               (e) 37

 

 

Directions for Q. No. 12 to 15: In each of the following questions, a number series is given, after the series, a number is given followed by (A), (B), (C), (D) and (E). You have to complete the series starting with the number on the pattern of the sequence of the given series. Then, answer the given questions.

12.      80,      50,    130,    100,      180,    150

            900,    (A),   (B),     (C),       (D),     (E)

          Which number will come in place of (C) ?

(a) 1050       (b) 920             (c) 1000       (d) 950             (e) None

13.      60,      121, 131,    264,      284,    571,      601

            120,    (A),   (B),     (C),       (D),     (E)

          Which number will come in place of (D) ?

(a) 524         (b) 1011          (c) 1010       (d) 514             (e) None

14.      2,         4,       9,         20,        43,      90

            3,         (A),   (B),     (C),       (D),     (E)

          Which number will come in place of (D) ?

(a) 58            (b) 99               (c) 48            (d) 59               (e) None

15.      200,    184, 193,    157,      182,    118,      167

            150,    (A),   (B),     (C),       (D),     (E)

          Which number will come in place of (C) ?

(a) 132         (b) 115             (c) 68            (d) 117             (e) None

Directions: Find the Wrong number in the series

16.      1788, 892, 444, 220, 112, 52, 24

(a) 52            (b)112              (c) 220          (d) 444             (e) 892

17.      225, 289, 338, 374, 397, 415, 424

(a) 415         (b) 289             (c) 338          (d) 374             (e) 397

18.      5, 7.5, 11.25, 17.5, 29.75, 50, 91.25

(a) 7.5           (b) 17.5            (c) 29.75      (d) 91.25         (e) None

19.      35, 118, 280, 600, 1238, 2504, 5036

(a) 118         (b) 280             (c) 600          (d) 1238          (e) 2504

20.      10, 12, 28, 90, 368, 1840, 11112

(a) 1840       (b) 368             (c) 90            (d) 28               (e) 12

Answers

1.  (a)        2. (c)           3. (d)           4. (b)             5. (a)           6. (b)

7. (d)         8. (c)           9. (d)           10. (c)           11. (c)         12. (b)

13. (a)      14. (d)        15. (e)         16. (b)          17. (e)         18. (c)

19. (d)      20. (a)