Question

In each of the following question, select the related number from the given alternatives.
$8$ $:$ $9$ $:$ $:$ $64$ $:$ $?$

• A. $16$
• B. $20$
• C. $25$
• D. $36$

Answer 1

The correct option is C $25$

$2^3=8$

$(2+1{)}^2=3^2=9$

Similarly,

$4^3=64$

$(4+1{)}^2=5^2=25$

Hence, C is the correct option.