EduSahara™ Worksheet

Question 1

1.

Which of the following is a perfect square?

(i)

2303
(ii)

169
(iii)

1850
(iv)

258
(v)

573

Question 2

2.

Which of the following is not a perfect square?

(i)

49
(ii)

784
(iii)

289
(iv)

25
(v)

2022

Question 3

3.

What is the unit place digit in the square of 6?

(i)

2
(ii)

6
(iii)

1
(iv)

0
(v)

5

Question 4

4.

If a number has 3 zeros at the end, its square has how many zeros?

(i)

8
(ii)

7
(iii)

3
(iv)

6
(v)

5

Question 5

5.

Find the number of numbers between
10 2
and
11 2

(i)

20
(ii)

21
(iii)

18
(iv)

19
(v)

22

Question 6

6.

How many digits are there in the square root of 484?

(i)

5
(ii)

3
(iii)

2
(iv)

1
(v)

(-1)

Question 7

7.

How many digits are there in the square root of 627264?

(i)

6
(ii)

2
(iii)

4
(iv)

0
(v)

3

Question 8

8.

Find the least number that must be subtracted from 1773 to get a perfect square?

(i)

12
(ii)

7
(iii)

8
(iv)

10
(v)

9

Question 9

9.

Find the least number that must be added to 278 to get a perfect square?

(i)

14
(ii)

11
(iii)

10
(iv)

8
(v)

12

Question 10

10.

Find the smallest 2 digit number which is a perfect square?

(i)

17
(ii)

15
(iii)

14
(iv)

19
(v)

16

Question 11

11.

Find the greatest 2 digit number which is a perfect square?

(i)

82
(ii)

84
(iii)

79
(iv)

80
(v)

81

Question 12

12.

Find the smallest 3 digit number which is a perfect square?

(i)

97
(ii)

102
(iii)

100
(iv)

101
(v)

99

Question 13

13.

Find the greatest 3 digit number which is a perfect square?

(i)

961
(ii)

960
(iii)

958
(iv)

964
(v)

962

Question 14

14.

Find the smallest 4 digit number which is a perfect square?

(i)

1021
(ii)

1023
(iii)

1026
(iv)

1024
(v)

1025

Question 15

15.

Find the greatest 4 digit number which is a perfect square?

(i)

9802
(ii)

9800
(iii)

9799
(iv)

9801
(v)

9804

Question 16

16.

Find the smallest 5 digit number which is a perfect square?

(i)

10001
(ii)

10002
(iii)

9999
(iv)

9997
(v)

10000

Question 17

17.

Find the greatest 5 digit number which is a perfect square?

(i)

99853
(ii)

99856
(iii)

99857
(iv)

99855
(v)

99858

Question 18

18.

Find the square root of
21.04

(i)

5.59
(ii)

3.59
(iii)

6.59
(iv)

2.59
(v)

4.59

Question 19

19.

Find the square root of
249.806

(i)

15.805
(ii)

13.805
(iii)

16.805
(iv)

14.805
(v)

17.805

Question 20

20.

Find the square root of
3004.5000

(i)

53.8133
(ii)

54.8133
(iii)

56.8133
(iv)

55.8133
(v)

52.8133

Question 21

21.

The smallest number by which 300 must be multiplied so that the product is a perfect square is?

(i)

6
(ii)

1
(iii)

2
(iv)

3
(v)

4

Question 22

22.

The smallest number by which 968 must be divided so that the quotient is a perfect square is?

(i)

5
(ii)

3
(iii)

0
(iv)

1
(v)

2

Question 23

23.

Which of the following is a perfect square?

(i)

258
(ii)

119
(iii)

2209
(iv)

2499
(v)

730

Question 24

24.

Which of the following is not a perfect square?

(i)

729
(ii)

484
(iii)

1296
(iv)

2301
(v)

900

Question 25

25.

What is the unit place digit in the square of 46?

(i)

2
(ii)

3
(iii)

8
(iv)

6
(v)

1

Question 26

26.

If a number has 2 zeros at the end, its square has how many zeros?

(i)

3
(ii)

7
(iii)

4
(iv)

5
(v)

2

Question 27

27.

Find the number of numbers between
14 2
and
15 2

(i)

29
(ii)

26
(iii)

31
(iv)

27
(v)

28

Question 28

28.

How many digits are there in the square root of 3969?

(i)

3
(ii)

2
(iii)

1
(iv)

5
(v)

(-1)

Question 29

29.

How many digits are there in the square root of 707281?

(i)

6
(ii)

4
(iii)

2
(iv)

3
(v)

0

Question 30

30.

Find the least number that must be subtracted from 205 to get a perfect square?

(i)

8
(ii)

9
(iii)

10
(iv)

7
(v)

11

Question 31

31.

Find the least number that must be added to 356 to get a perfect square?

(i)

3
(ii)

5
(iii)

6
(iv)

4
(v)

7

Question 32

32.

Find the smallest 2 digit number which is a perfect square?

(i)

16
(ii)

18
(iii)

15
(iv)

17
(v)

14

Question 33

33.

Find the greatest 2 digit number which is a perfect square?

(i)

80
(ii)

78
(iii)

81
(iv)

84
(v)

82

Question 34

34.

Find the smallest 3 digit number which is a perfect square?

(i)

103
(ii)

99
(iii)

100
(iv)

101
(v)

97

Question 35

35.

Find the greatest 3 digit number which is a perfect square?

(i)

960
(ii)

962
(iii)

963
(iv)

961
(v)

959

Question 36

36.

Find the smallest 4 digit number which is a perfect square?

(i)

1025
(ii)

1027
(iii)

1022
(iv)

1023
(v)

1024

Question 37

37.

Find the greatest 4 digit number which is a perfect square?

(i)

9799
(ii)

9801
(iii)

9800
(iv)

9804
(v)

9802

Question 38

38.

Find the smallest 5 digit number which is a perfect square?

(i)

10001
(ii)

9999
(iii)

10000
(iv)

10003
(v)

9997

Question 39

39.

Find the greatest 5 digit number which is a perfect square?

(i)

99857
(ii)

99856
(iii)

99854
(iv)

99859
(v)

99855

Question 40

40.

Find the square root of
41.32

(i)

6.43
(ii)

7.43
(iii)

5.43
(iv)

4.43
(v)

8.43

Question 41

41.

Find the square root of
889.100

(i)

31.818
(ii)

30.818
(iii)

27.818
(iv)

28.818
(v)

29.818

Question 42

42.

Find the square root of
8861.5300

(i)

96.1357
(ii)

95.1357
(iii)

94.1357
(iv)

93.1357
(v)

92.1357

Question 43

43.

The smallest number by which 800 must be multiplied so that the product is a perfect square is?

(i)

2
(ii)

5
(iii)

3
(iv)

(-1)
(v)

1

Question 44

44.

The smallest number by which 648 must be divided so that the quotient is a perfect square is?

(i)

1
(ii)

5
(iii)

3
(iv)

2
(v)

0

Assignment Key