Question

In each of the following questions , one term is wrong. Find out the wrong term.

10, 34, 130, 204, 290

• A. 34
• B. 74
• C. 130
• D. 204

Answer 1

The correct option is D 204

The number in the given set are the squares on 1, 3; 3, 5; 5, 7 etc. i.e. $1^2+3^3=10,3^2+5^2=34$ etc. Hence in place of 204, it should be $9^2+{11}^2=202$