EduSahara™ Worksheet

Question 1

1.

(i)

1502
(ii)

15000
(iii)

1498
(iv)

1500
(v)

150

Question 2

2.

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

(i)

962
(ii)

958
(iii)

961
(iv)

964
(v)

960

Question 3

3.

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

(i)

97
(ii)

101
(iii)

99
(iv)

102
(v)

100

Question 4

4.

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

(i)

1021
(ii)

1024
(iii)

1026
(iv)

1025
(v)

1023

Question 5

5.

The smallest number by which 4232 must be divided so that the quotient is a perfect square is?

(i)

2
(ii)

3
(iii)

0
(iv)

1
(v)

5

Question 6

6.

(i)

982
(ii)

98
(iii)

9800
(iv)

980
(v)

978

Question 7

7.

Find the smallest perfect square which is divisible by each of the numbers 4,8,15

(i)

961
(ii)

3602
(iii)

480
(iv)

7200
(v)

3600

Question 8

8.

Find the
square root
of
1
9

(i)

1
5
(ii)

1
(iii)

(
-1
3
)
(iv)

1
3

Question 9

9.

The solution of
√

15
lies between

(i)

3.6 and 3.7
(ii)

4.0 and 4.1
(iii)

3.9 and 4.0
(iv)

3.8 and 3.9
(v)

3.7 and 3.8

Question 10

10.

Find the square root of
866.593

(i)

30.438
(ii)

31.438
(iii)

28.438
(iv)

29.438
(v)

27.438

Question 11

11.

(i)

6.4
(ii)

0.8
(iii)

84
(iv)

8.4
(v)

10.4

Question 12

12.

Find the
cube root
of
(
-27
125
)

(i)

(
-3
7
)
(ii)

-1
(iii)

(
-3
5
)
(iv)

(
-1
5
)

Question 13

13.

Find the
cube root
of
-125

(i)

-8
(ii)

-5
(iii)

-3
(iv)

-6
(v)

-4

Question 14

14.

Find the cube root of
10648

(i)

487
(ii)

25
(iii)

22
(iv)

19
(v)

484

Question 15

15.

Find the value of
23 3
+
22 3

(i)

22814
(ii)

22815
(iii)

22812
(iv)

22816
(v)

22818

Question 16

16.

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

(i)

99857
(ii)

99859
(iii)

99855
(iv)

99854
(v)

99856

Question 17

17.

Which of the following is not a perfect square?

(i)

2302
(ii)

1156
(iii)

1089
(iv)

1849
(v)

225

Question 18

18.

How many digits are there in the square root of 44521?

(i)

4
(ii)

3
(iii)

2
(iv)

1
(v)

6

Question 19

19.

The solution of
√

12
lies between

(i)

3.4642 and 3.4643
(ii)

3.4639 and 3.4640
(iii)

3.4640 and 3.4641
(iv)

3.4643 and 3.4644
(v)

3.4641 and 3.4642

Question 20

20.

Which of the following is a perfect cube?

(i)

216
(ii)

9
(iii)

67
(iv)

999
(v)

123

Question 21

21.

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

(i)

9801
(ii)

9799
(iii)

9800
(iv)

9802
(v)

9803

Question 22

22.

Find the least number that must be added to 659 to get a perfect square?

(i)

14
(ii)

18
(iii)

20
(iv)

16
(v)

17

Question 23

23.

The solution of
√

8
lies between

(i)

2.830 and 2.831
(ii)

2.826 and 2.827
(iii)

2.829 and 2.830
(iv)

2.828 and 2.829
(v)

2.827 and 2.828

Question 24

24.

The smallest number by which 200 must be multiplied so that the product is a perfect cube is?

(i)

3
(ii)

5
(iii)

4
(iv)

8
(v)

6

Question 25

25.

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

(i)

84
(ii)

81
(iii)

80
(iv)

82
(v)

78

Assignment Key