Find the greatest number of 4 digits which is a perfect square.
We know that,
Greatest 4 digit number = 9999
The remainder is 198
Hence,
The greatest 4 digit perfect square number = 9999 – 198
= 9801
7
Find the greatest number of 4 digits which is a perfect square.
We know that,
Greatest 4 digit number = 9999
The remainder is 198
Hence,
The greatest 4 digit perfect square number = 9999 – 198
= 9801