Question

What would be the square root of the smallest $5$ digit number, which is a perfect square?

• A. $82$
• B. $85$
• C. $87$
• D. $100$

Answer 1

Answer: (D)

$100$

The smallest $5$ digit no. is $10,000$

$\therefore \sqrt{10,000}=100$
So, $100$ is the square root of smallest $5$ digit perfect square.
Therefore, option D is correct.