Question

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

23, 13, 34, 25, 56, 51

• A. 23
• B. 13
• C. 34
• D. 51

Answer 1

The correct option is D 51

The number in the alternate places is the sum of the square of the integer on the other e.g. $13\approx 2^2+3^2,25=3^2+4^2.Now56+5^2+6^2=61$. Hence in place of 51 it should be 61.