Series Completion & Sequential Output Tracing :

Directions : In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

1.     1,  9,  25, 49, ?, 121
a]  64                     b]  81                  c] 91                   d] 100

2.     4, 7, 12, 19, 28, ?
a]  30                     b]  36                  c] 39                   d] 49

3.     11, 13, 17, 19, 23, 25, ?
a]  26                     b]  27                  c] 29                   d] 37

4.     6, 12, 21, ?, 48
a]  33                     b]  38                  c] 40                   d] 45

5.     2, 5, 9, ?, 20, 27
a]  14                     b]  16                  c] 18                   d] 24

6.     6, 11, 21, 36, 56, ?
a]  42                     b]  51                  c] 81                   d] 91

7.     10, 18, 28, 40, 54, 70, ?
a]  85                     b]  86                  c] 87                   d] 88

8.     120, 99, 80, 63, 48, ?
a]  35                     b]  38                  c] 39                   d] 40

9.     22, 24, 28, ?, 52, 84
a]  36                     b]  38                  c] 42                   d] 46

10.   4832, 5840, 6848, ?
a]  7815                  b]  7846               c] 7856                d] 7887

11.   10, 100, 200, 310, ?
a]  400                   b]  410                c] 420                  d] 430

12.   0, 2, 8, 14, ?, 34
a]  20                     b]  23                  c] 24                   d] 25

13.   28, 33, 31, 36, ?, 39
a]  32                     b]  34                  c] 38                   d] 40

14.   125, 80, 45, 20, ?
a]  5                       b]  8                    c] 10                   d] 12

15.   1,            5, 13, 25, 41, ?
a]  51                     b]  57                  c] 61                   d] 63

16.   2,            15, 41, 80, ?
a]  111                   b]  120                c] 121                  d] 132

17.   6, 17, 39, 72, ?
a]  83                     b]  94                  c] 116                  d] 127

18.   325, 259, 204, 160, 127, 105, ?
a]  94                     b]  96                  c] 98                   d] 100

19.   1, 4, 10, 22, 46, ?
a]  64                     b]  86                  c] 94                   d] 122

20.   0.5, 0.55, 0.65, 0.8, ?
a]  0.9                    b]  0.82               c] 1                     d] 0.95

21.   5, 6, 9, 15, ?, 40
a]  21                     b]  25                  c] 27                   d] 33

22.   2, 3, 5, 7, 11, ?, 17
a]  12                     b]  13                  c] 14                   d] 15

23.   4, 9, 25, ?, 121, 169, 289, 361
a]  49                     b]  64                  c] 81                   d] 87

24.   1, 9, 25, 49, 81, ?
a]  100                   b]  112                c] 121                  d] 144

25.   1, 1, 4, 8, 9, 27, 16, ?
a]  32                     b]  64                  c] 81                   d] 256

Answers:-

1.       b     2.       c     3.       c     4.       a     5.       a     6.       c     7.       d     8.       a     9.       a          10.  c        11.  d        12.  c        13.  b        14.  a        15.  c        16.  d        17.  c        18.  a  19.      c        20.    c           21.        b          22.        b          23.        a           24.        c           25.        b