Question

Find the least number that must be subtracted from 2433 so that the resultant is a perfect square.

• A. 30
• B. 34
• C. 36
• D. 32

Answer 1

The correct option is D

32

Find the remainder using division method.

We can see 32 is the remainder. So, if we subtract 32 from 2433, we will get a perfect square.

$\therefore 2433-32=2401$, a perfect square.

$\sqrt{2401}=49$