Question

Find the least number of 4 digits that is a perfect square

Answer 1

(32)2 is more than 1000 by 24.
So, the least number to be added to 1000 is 24. 1000 + 24 = 1024.
Therefore, the smallest four digit number which is a perfect square is1024.

hope this helped you

Answer 2

Answer:

you can actually refer to rs agarwall or rdsharma for better understanding.ifollowed it and helped me a lot

Explanation:

(32)^2 is more than 1000 by 24.

So, the least number to be added to 1000 is 24.

1000 + 24 = 1024.

Therefore, the smallest four digit number which is a perfect square is 1024.