Question

In each of the following question, select the related number from the given alternatives.
$9$ $:$ $81$ $:$ $:$ $12$ $:$ $?$

• A. $124$
• B. $104$
• C. $134$
• D. $144$

Answer 1

Answer: (D)

$144$

$9^2=9\times 9=81$

similarly,

${12}^2=12\times 12=144$

Hence, D is the correct option.