In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 2, 8, 9, 13, 22, 18, 32, 23, 42

B. 9

In following number series, two terms have been put within brackets. Choose the appropriate option - Choose the appropriate option (2), 5, (12), 25, 41, 61

D. IF BOTH THE BRACKETED TERMS ARE WRONG.

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 22, 21, 23, 22, 24, 23, . . . What number should come next?

C. 25

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. - 12, 32, 72, 152,

A. 312

In following questions, one term in number series is incorrect. - Find out the incorrect number 3, 7, 15, 39, 63, 127, 255, 511

B. 39