" 1.The least "4" digit number which is a perfect square is "

The greatest 4 digit number which is a perfect square, is

The greatest 3 digit number which is a perfect square is

Find the least number that must be subtracted from 5607 so as to get a perfect square. Also find the square root of the perfect square.find the greatest 4 digit number which is a perfect square .

Find the least number that must be subtracted from 5607 so as to get a perfect square.Also find the square root of the perfect square.find the greatest 4 digit number which is a perfect square.

Find the 5 - digit number which is a perfect square.