Question

find the greatest number of four digits which is a perfect square

Answer 1

greatest 4 digit number is 9999
so 100*100= 10000
99*99 =9801 is answer
it is the great 4 digit which is a perfect square

Answer 2

Answer:

9801

Step-by-step explanation:

After dividing the greatest 4 digit number by long division method ,we get a remainder 198.

Now we subtract 9999-198 = 9801 which is the required perfect square number. 9801 = ($99^{2}$)