EduSahara™ Worksheet

Question 1

1.

Which of the following is a perfect square?

(i)

7
(ii)

2209
(iii)

1524
(iv)

962
(v)

323

Question 2

2.

Which of the following is not a perfect square?

(i)

441
(ii)

400
(iii)

1681
(iv)

2401
(v)

782

Question 3

3.

What is the unit place digit in the square of 28?

(i)

3
(ii)

0
(iii)

6
(iv)

2
(v)

4

Question 4

4.

If a number has 1 zeros at the end, its square has how many zeros?

(i)

(-1)
(ii)

3
(iii)

1
(iv)

5
(v)

2

Question 5

5.

Find the number of numbers between
6 2
and
7 2

(i)

9
(ii)

11
(iii)

12
(iv)

14
(v)

13

Question 6

6.

How many digits are there in the square root of 3025?

(i)

4
(ii)

1
(iii)

2
(iv)

3
(v)

0

Question 7

7.

How many digits are there in the square root of 327184?

(i)

0
(ii)

6
(iii)

2
(iv)

4
(v)

3

Question 8

8.

Find the least number that must be subtracted from 147 to get a perfect square?

(i)

2
(ii)

4
(iii)

3
(iv)

5
(v)

1

Question 9

9.

Find the least number that must be added to 1671 to get a perfect square?

(i)

8
(ii)

11
(iii)

12
(iv)

10
(v)

9

Question 10

10.

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

(i)

18
(ii)

13
(iii)

16
(iv)

17
(v)

15

Question 11

11.

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

(i)

79
(ii)

80
(iii)

82
(iv)

81
(v)

84

Question 12

12.

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

(i)

97
(ii)

100
(iii)

101
(iv)

99
(v)

102

Question 13

13.

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

(i)

962
(ii)

963
(iii)

960
(iv)

958
(v)

961

Question 14

14.

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

(i)

1024
(ii)

1026
(iii)

1023
(iv)

1025
(v)

1022

Question 15

15.

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

(i)

9804
(ii)

9800
(iii)

9799
(iv)

9801
(v)

9802

Question 16

16.

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

(i)

9999
(ii)

9998
(iii)

10002
(iv)

10000
(v)

10001

Question 17

17.

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

(i)

99856
(ii)

99854
(iii)

99857
(iv)

99859
(v)

99855

Question 18

18.

Find the square root of
23.62

(i)

4.86
(ii)

6.86
(iii)

5.86
(iv)

2.86
(v)

3.86

Question 19

19.

Find the square root of
415.153

(i)

20.375
(ii)

18.375
(iii)

19.375
(iv)

22.375
(v)

21.375

Question 20

20.

Find the square root of
5822.9316

(i)

76.3081
(ii)

74.3081
(iii)

75.3081
(iv)

77.3081
(v)

78.3081

Question 21

21.

The smallest number by which 108 must be multiplied so that the product is a perfect square is?

(i)

2
(ii)

5
(iii)

1
(iv)

3
(v)

4

Question 22

22.

The smallest number by which 27436 must be divided so that the quotient is a perfect square is?

(i)

18
(ii)

16
(iii)

19
(iv)

20
(v)

22

Question 23

23.

Which of the following is a perfect square?

(i)

290
(ii)

119
(iii)

1763
(iv)

256
(v)

487

Question 24

24.

Which of the following is not a perfect square?

(i)

1366
(ii)

1156
(iii)

2209
(iv)

1936
(v)

169

Question 25

25.

What is the unit place digit in the square of 27?

(i)

9
(ii)

8
(iii)

3
(iv)

5
(v)

6

Question 26

26.

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

(i)

5
(ii)

1
(iii)

3
(iv)

6
(v)

4

Question 27

27.

Find the number of numbers between
14 2
and
15 2

(i)

29
(ii)

28
(iii)

27
(iv)

26
(v)

31

Question 28

28.

How many digits are there in the square root of 4096?

(i)

0
(ii)

2
(iii)

1
(iv)

3
(v)

5

Question 29

29.

How many digits are there in the square root of 990025?

(i)

2
(ii)

5
(iii)

0
(iv)

4
(v)

3

Question 30

30.

Find the least number that must be subtracted from 1332 to get a perfect square?

(i)

37
(ii)

34
(iii)

35
(iv)

38
(v)

36

Question 31

31.

Find the least number that must be added to 2011 to get a perfect square?

(i)

15
(ii)

14
(iii)

12
(iv)

13
(v)

17

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)

83
(ii)

80
(iii)

79
(iv)

81
(v)

82

Question 34

34.

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

(i)

100
(ii)

99
(iii)

101
(iv)

98
(v)

103

Question 35

35.

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

(i)

961
(ii)

960
(iii)

964
(iv)

959
(v)

962

Question 36

36.

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

(i)

1025
(ii)

1023
(iii)

1024
(iv)

1022
(v)

1027

Question 37

37.

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

(i)

9803
(ii)

9801
(iii)

9802
(iv)

9798
(v)

9800

Question 38

38.

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

(i)

9999
(ii)

10001
(iii)

10002
(iv)

9997
(v)

10000

Question 39

39.

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

(i)

99856
(ii)

99857
(iii)

99853
(iv)

99858
(v)

99855

Question 40

40.

Find the square root of
44.90

(i)

8.7
(ii)

5.7
(iii)

4.7
(iv)

7.7
(v)

6.7

Question 41

41.

Find the square root of
950.554

(i)

30.831
(ii)

31.831
(iii)

29.831
(iv)

32.831
(v)

28.831

Question 42

42.

Find the square root of
9274.2441

(i)

98.3029
(ii)

96.3029
(iii)

97.3029
(iv)

95.3029
(v)

94.3029

Question 43

43.

The smallest number by which 243 must be multiplied so that the product is a perfect square is?

(i)

5
(ii)

2
(iii)

4
(iv)

1
(v)

3

Question 44

44.

The smallest number by which 2700 must be divided so that the quotient is a perfect square is?

(i)

3
(ii)

1
(iii)

4
(iv)

6
(v)

2

Assignment Key