Verbal Reasoning - Series Completion

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

26. 

2,15,41,80,?

A. 111
B. 120
C. 121
D. 132

Answer: Option D

Explanation:

The pattern is + 13, + 26, + 39,.....

So, missing term = 80 + 52 = 132.


27. 

6, 11, 21, 36, 56, ?

A. 42
B. 51
C. 81
D. 91

Answer: Option C

Explanation:

The pattern is + 5, + 10, + 15, + 20, ...

So, missing term = 56 + 25 = 81.


28. 

563, 647, 479, 815, ?

A. 672
B. 386
C. 279
D. 143

Answer: Option D

Explanation:

The pattern is + 84, - 168, + 336,.....i.e. + 84, - (84 x 2), + (84 x 22), .....

So, missing term = 815 - (84 x 23) = 815 - 672 = 143.


29. 

13, 35, 57, 79, 911, ?

A. 1110
B. 1112
C. 1113
D. 1315

Answer: Option C

Explanation:

The terms of the given series are numbers formed by joining together consecutive

odd numbers in order i.e. 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11, .....

So, missing term = number formed by joining 11 and 13 = 1113.


30. 

1, 4, 10, 22, 46, ?

A. 64
B. 86
C. 94
D. 122

Answer: Option C

Explanation:

The pattern is + 3, + 6, + 12, + 24,.....

So, missing term = 46 + 48 = 94.