LikhoPadho

1. Find the smallest number that 720 must be divided by to make it a perfect square.

2. What least number must be added to 6072 to make it a perfect square ?

3.  What is the square root of 1.0816

4. What is the square root of 0.0005904900 ?

5. A sports Teacher wants to arrange maximum possible numbers of 6000 students in a ground so that number of rows is same as the number of columns. how many rows will be there if 71 students were left out after the arrangement ?

6.  1+3+5+7+9+11+13+15 is a perfect square of the number  

7.  If (18)² is subracted from a square of number X, the result obtained is 972. Find the number X. 

8.  Find the units digit of (566)⁶²

9. Which of the following perfect square numbers, is the square of an odd number ?

10.  Check which of the following is not a perfect square