Question

$8$ is relate to $81$ in the same way as $64$ is related to _____

• A. $225$
• B. $425$
• C. $525$
• D. $625$

Answer 1

The correct option is D $625$

The relationship is $x^y:(x+1{)}^{(y+1)}$
Now, $64=4^3$
So, required number $=(4+1{)}^{(3+1)}=5^4=625$