1. The square of which of the following number will be an even number?

2. The square of 42 is

3. What will be the unit digit of square of 35789

4. What will be the number of zeros in square of 400?

5. If 5278 is squared, then what will be at unit place?

6. What will be the square root of 169

7. What will be the square of 9

8. What will be the square root of 900

9. What will be the square of 16

10. What will be the square of 7

11. Find the smallest number by which 28812 must be divided

12. What will be the square of 4

13. What will be the square of 10

14. A general arranges his soldiers in a row to form a perfect square. He finds that in doing so, 60 soldiers are left out. If the total number of soldiers is 8160, find the number of soldiers in each row.

15. What will be the square of 6400

16. What will be the square root of 6400

17. What will be the square root of 1764

18. Find the square root of 291600

19. Find the greatest four-digit number that is a perfect square

20. Which of the following is a perfect square?

21. A perfect square that lies between 40 and 50 is

22. Which of the following is not a square number?

23. A school collected $2304 in fees from its students. If each student paid as much fee as there were students in the school, how many students were there in the school?

24. Which of the following will have 6 at unit place?

25. What will be the square root of 225

26. What will be the square root of 25

27. Find the square root of 1471369.

28. What will be the square root of 256

29. Which of the following is a perfect square? 32, 66, 81, 101.

30. What will be the square of 25