Question

tell me how to find the largest no. of 2 digit which is a perfect square? please

Answer 1

81 is the largest no.of 2 digits the square of the number is 9

Answer 2

first of all we know largest number of two digit is 99 so, find nearest number which show perfect square . here nearest number is 81 .and this number also perfect square . in this way you can also find three digit largest number which give perfect square