Instructions

In each of these question a number series is given.In each series only one number is wrong.Find out the wrong numbers

Question 107

4, 12, 42, 196, 1005, 6066, 42511

Solution

In this question, the nth term is obtained by (previous term*n + n^2).

Hence, after 12, the number would be (12*3+9)= 45

Therefore, the correct option is 45.

Create a FREE account and get: