EduGoog

In "Number Series" question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

21, 25, 33, 49, 81,

Option:
A. 145
B. 129
C. 113
D. 97
Answer: A . 145

Justification:

The pattern is + 4, + 8, + 16, + 32,....  i.e. + 22, + 23, + 24, + 25,...
.'. Missing number = 81 + 26 = 81 + 64 = 145.

Next