1.
Which of the following number would have digit 5 at units place :
2.
Which of the following is a perfect square ?
3.
What will be the " one's digit" in the square of 1234?
4.
What will be the number of zeros in the square of 400?
5.
The square of 23 is :
6.
The square of which of the following would be even number?
7.
The square of which of the following would be odd number?
8.
What is the sum of first four odd natural numbers?
9.
The sum of 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 +19 is:
10.
The square of 42 is: