Question

In the given question, select the related number from the given alternatives.
$13$ $:$ $169$ $:$ $:$ $?$

• A. $12$ $:$ $140$
• B. $3$ $:$ $6$
• C. $11$ $:$ $111$
• D. $9$ $:$ $81$

Answer 1

The correct option is D $9$ $:$ $81$

${13}^2=169$

Similarly,

$9^2=81$

Hence, D is the correct option.