One term in the number series is wrong. Find out the wrong term.
121, 143, 165, 186, 209

A. 143

B. 165

C. 186

D. 209

Answer: Option C

Solution(By Examveda Team)

Each term in the series is obtained by adding 22 to the preceding term.

So, 186 is wrong and must be replaced by (165 + 22) i.e. 187.