Free Printable Squares and Square Roots

1.

Which of the following is a perfect square?

a)

1057

b)

625

c)

7928

d)

64000

2.

Which of the following will have 6 at unit place?

a)

$19^2$

b)

$11^2$

c)

$24^2$

d)

$13^2$

3.

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

a)

8

b)

7

c)

4

d)

6

4.

What will be the name of zeros in square of 400?

a)

4

b)

2

c)

6

d)

3

5.

$How\ many\ natural\ numbers\ lie\ between\ 9^2\ and\ 10^2\ ?$

a)

17

b)

19

c)

20

d)

18

6.

What is the sum of the first four odd natural numbers?

a)

16

b)

17

c)

18

d)

20

7.

$The\ value\ of\ 9^2-1\ is\ equal\ to:$

a)

81

b)

80

c)

79

d)

None of the above

8.

The sum of 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 +19 is:

a)

121

b)

120

c)

100

d)

110

9.

The square of 42 is:

a)

1764

b)

1664

c)

1564

d)

1504

10.

The Pythagorean triples whose smallest number is 8:

a)

8, 16 17

b)

8, 17, 18

c)

8, 15, 17

d)

8, 15, 16

11.

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

a)

32

b)

81

c)

66

d)

101

12.

A perfect square that lies between 40 and 50 is:

a)

42

b)

45

c)

46

d)

49

13.

Which of the following is not a square number?

a)

4

b)

9

c)

24

d)

100

14.

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

a)

9990

b)

9801

c)

9999

d)

None of these

15.

The square of which of these will have 6 at the unit place?

a)

$17^2$

b)

$16^2$

c)

$15^2$

d)

$19^2$

16.

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

a)

31

b)

69

c)

67

d)

38

17.

How many zeros are there for the square of 2000?

a)

2

b)

3

c)

4

d)

6

18.

What will be the unit digit of square of 35789?

a)

1

b)

9

c)

3

d)

8

19.

49 can be expressed as the sum of how many same odd numbers?

a)

5

b)

7

c)

9

d)

11

20.

$What\ is\ the\ length\ of\ side\ of\ a\ square,\ if\ the\ area\ of\ square\ is\ 441cm^2\ ?$

a)

21 cm

b)

29 cm

c)

31 cm

d)

39 cm

Squares and Square Roots

Total questions: 20

Worksheet time: 10mins

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