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. - 5, 17, 37, 65, , 145

Answer: D. 101

The numbers are 22 + 1, 42 + 1, 6

2

+ 1, 8

2

+ 1,...., 12

2

+ 1.
.'. Missing number = 10

2

+ 1 = 101.