Question

In the following question, select the number from the given options which follows the same relationship as shared between the first two numbers.

$6:12::20:?$

• A. $50$
• B. $30$
• C. $42$
• D. $38$
• E. $36$

Answer 1

The correct option is B $30$

The numbers are squares of different numbers minus the number itself.
$6:12::20:30$
$\downarrow \downarrow \downarrow \downarrow$
$3^2-34^2-45^2-56^2-6$