1. How many nonsquare numbers he between the pair of numbers 36² and 37²?

2. How many nonsquare numbers he between the pair of numbers 500² and 501²?

3. Express the square number 5² as the sum of two consecutive integers.

4. Express 9² as the sum of two consecutive integers.

5. Express 7² as the sum of two consecutive integers.

6. The unit digit number 132 is in the square of the

7. The unit digit in the square of the number 1000 is

8. The unit digit in the square of the number 1111 is

9. The unit digit in the square of the number 1333 is

10. The unit digit in the square of the number 2644 is