Find out the wrong term: 1, 5, 9, 15, 25, 37, 49

A. 9

B. 15

C. 25

D. 37

Answer: Option B

Solution(By Examveda Team)

The terms of the given series are 1² , (2² + 1), 3² , (4² + 1), 5² , (6² + 1), 7²
So, 15 is wrong and must be replaced by (4² + 1) i.e., 17.