Question

Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair.

$12:169::$ ? $:$ ?

• A. $7:50$
• B. $11:144$
• C. $15:240$
• D. $5:49$

Answer 1

The correct option is B $11:144$

The logic is $x:(x+1{)}^2$
$12:(12+1{)}^2=12:169$
$\therefore 11:(11+1{)}^2=11:144$
Hence $B$ is the answer.