Question

Which of the following numbers is not a perfect square?

(a) 1444 (b) 3136 (c) 961 (d) 2222

.

2. Which of the following numbers is not a perfect square?

(a) 1843 (b) 3721 (c) 1024 (d) 1296

3. Which of the following numbers is not a perfect square?

(a) 1156 (b) 4787 (c) 2704 (d) 3969

4. Which of the following numbers is not a perfect square?

(a) 3600 (b) 6400 (c) 81000 (d) 2500

5. Which of the following cannot be the unit digit of a perfect square number?

(a) 6 (b) 1 (c) 9 (d) 8

6. The square of a proper fraction is

(a) larger thanthe fraction (b) smaller than the fraction

(c) equal to the fraction (d) none ofthese

7. If n is odd, then (1 3  5  7   to n terms) is equal to

(a) (n 2 1) (b) (n 2 1) (c) n2 (d) (2n 2 1)

8. Which of the following is a Pythagoreantriplet?

(a) (2, 3, 5) (b) (5, 7, 9) (c) (6, 9, 11) (d) (8, 15, 17)

9. What least number must be subtracted from 176 to make it a perfect square?

(a) 16 (b) 10 (c) 7 (d) 4

10. What least number must be added to 526 to make it a perfect square?

(a) 3 (b) 2 (c) 1​

Answer 1

Answer:

1. 2222

2. 1843

3. 4787

4. 81000

5. 8

6. smaller

7. d option

8. 8,15,17

9. 7

10. 3