Question

Extract the largest number of four digits, which is a perfect square.

Answer 1

Answer:

The square of any 3-digit number is either a 5 digit or a 6 digit http://number.Eg- 100*100= 10000 (5 digit)999*999= 998001 (6 digit)Hence, the largest 4 digit perfect square shall be the square of the largest 2 digit number i.e. 99.Hence, 99*99= 9801.Therefore, the answer is 9801.

Answer 2

largest four digit no which is perfect square is 9801