@Royston Dsouza
–
Digit sum of the number is \( 300 \). Therefore, it is divisible by 3, since 3 divides 300. But it is not divisible by 9, since 9 does not divide 300. Since the number is divisible by 3 but not 9, it can't be a perfect square/
–
Siddhartha Srivastava
·
1 year, 12 months ago

## Comments

Sort by:

TopNewestNo. Hint:- Look at divisibility by 3 and 9. – Siddhartha Srivastava · 2 years ago

Log in to reply

– Royston Dsouza · 1 year, 12 months ago

How does it help?Log in to reply

– Siddhartha Srivastava · 1 year, 12 months ago

Digit sum of the number is \( 300 \). Therefore, it is divisible by 3, since 3 divides 300. But it is not divisible by 9, since 9 does not divide 300. Since the number is divisible by 3 but not 9, it can't be a perfect square/Log in to reply