100
36
81 and 100
4, for a start.
6
That number is 84.
The number is 54.
100
92 = 81 and 102 = 100 so the square root of any number between 81 and 100 would lie between 9 and 10.
90. The Least Common Multiple of 2, 3 and 5 is 30 and the multiple of 30 that is between 80 and 100 is 90.
No, 105 is not a square number. It is between 10^2 (100) and 11^2 (121).
108