Here, we are given a sequence of number. Whole sequence except one number follow a certain rule. You have to find that number which does not follow the rule.
2, 3, 12, 37, 86, 166, 288

Options

A. 2
B. 3
C. 166
D. 86

Answer

D

Explanation

Series moves with the addition of squares of non-natural numbers, i.e., 1, 9, 25, 49, 81, 121 ,
Hence, the number 166 should be replaced by number 167