Find out the wrong number in the series.

7, 8, 18, 57, 228, 1165, 6996

A) 8	B) 18
C) 57	D) 228

Answer: D) 228

Explanation:

Let the given numbers be A, B, C, D, E, F, G.

Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.

Clearly, 228 is wrong.

Subject: Odd Man Out