Q108 of 142 Page 88

Find the greatest number of three digits that is a perfect square.

Given: least number of three digit.

Now, if we subtract 38 from 999 we will get a perfect square

Hence, the three-digit number is 999-38 = 961

And = 31

106

What is the least number that should be added to 6200 to make it a perfect square?

107

Find the least number of four digits that is a perfect square.

109

Find the least square number which is exactly divisible by 3, 4, 5, 6, and 8.

110

Find the length of the side of a square if the length of its diagonal is 10 cm.