Question

In each of the following question, select the related number from the given alternatives.
$122$ $:$ $145$ $:$ $:$ $226$ $:$ $?$

• A. $250$
• B. $256$
• C. $257$
• D. $290$

Answer 1

Answer: (C)

$257$

$122={11}^2+1$

$145={12}^2+1$

$226={15}^2+1$

$257={16}^2+1$

Hence, C is the correct option.