Question

pls give me detailed answer-find the greatest 4 digit no which is a perfect square.find the square root of this square.

Answer 1

hi friends
the greatest 2 digit no. is 99
99²= 9801

so the greatest 4 digit no. which is a perfect square is 9801.

thank you

Answer 2

Greatest 4 digit number 9999.
Then by long division remainder will be 198. Then subtract 198 from 9999.
Answer will be 9801. Quotient will be 99. Then by prime factorisation u will find square root of 9999 is 33 (11*11*3*3)