Which number will replace the question mark (?) in the following series? 2, 5, 10, 17, 26, 37, ?, 65, 82, 101

Options

A. a. 48
B. b. 42
C. c. 50
D. d. 49

Answer

C

Explanation

Add (2n+1) where, to number next to each other.
So, 7th term of the series will be, `37 + (2 xx 6 + 1) = 50`.
So,option C is correct.