EduSahara™ Worksheet

Question 1

1.

3
√

1
1000
=

(i)

1
8
(ii)

(
-1
10
)
(iii)

1
10
(iv)

3
10
(v)

1
12

Question 2

2.

Find the square root of
22.70

(i)

6.76
(ii)

4.76
(iii)

2.76
(iv)

5.76
(v)

3.76

Question 3

3.

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

(i)

2
(ii)

(-1)
(iii)

5
(iv)

3
(v)

1

Question 4

4.

Find the exponential notation of

(i)

16 6
(ii)

11 6
(iii)

13 5
(iv)

13 7
(v)

13 6

Question 5

5.

The smallest number by which 92 must be multiplied so that the product is a perfect square is?

(i)

25
(ii)

24
(iii)

22
(iv)

20
(v)

23

Question 6

6.

Find the exponential notation of

3
✕
3
✕
3

(i)

3 4
(ii)

3 3
(iii)

3 2
(iv)

5 3
(v)

0

Question 7

7.

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

(i)

99857
(ii)

99858
(iii)

99855
(iv)

99856
(v)

99854

Question 8

8.

Find the exponential notation of

(i)

(-13) 5
(ii)

(-13) 4
(iii)

(-13) 3
(iv)

(-15) 4
(v)

(-10) 4

Question 9

9.

Find the square root of
4010.6050

(i)

62.3293
(ii)

64.3293
(iii)

61.3293
(iv)

63.3293
(v)

65.3293

Question 10

10.

Find the exponential notation of

(i)

(-3) 5
(ii)

(-1) 6
(iii)

(-3) 6
(iv)

(-3) 7
(v)

(-5) 6

Question 11

11.

-7

0
=

(i)

0
(ii)

1
(iii)

-1
(iv)

∞
(v)

undefined

Question 12

12.

The smallest number by which 8192 must be divided so that the quotient is a perfect cube is?

(i)

1
(ii)

0
(iii)

4
(iv)

2
(v)

3

Question 13

13.

Simplify
√

16

−

√

100

√

49

+

√

121
=

(i)

(
-4
9
)
(ii)

(
-3
8
)
(iii)

(
-1
3
)
(iv)

(
-3
10
)
(v)

(
-2
9
)

Question 14

14.

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

(i)

101
(ii)

100
(iii)

98
(iv)

99
(v)

103

Question 15

15.

Which of the following is a perfect square?

(i)

144
(ii)

50
(iii)

527
(iv)

731
(v)

1599

Question 16

16.

Find the
cube root
of
64

(i)

5
(ii)

4
(iii)

3
(iv)

6
(v)

2

Question 17

17.

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

(i)

16
(ii)

18
(iii)

14
(iv)

15
(v)

17

Question 18

18.

Find the smallest perfect square which is divisible by each of the numbers 6,14,18

(i)

1766
(ii)

3528
(iii)

756
(iv)

1765
(v)

1764

Question 19

19.

√

0.3600
=

(i)

0.8
(ii)

0.5
(iii)

0.7
(iv)

0.06
(v)

0.6

Question 20

20.

Simplify
3
√

1728

+

3
√

27

3
√

343

−

3
√

8
=

(i)

13
5
(ii)

3
(iii)

15
7
(iv)

5
(v)

17
5

Question 21

21.

What is the unit place digit in the square of 34?

(i)

6
(ii)

1
(iii)

9
(iv)

7
(v)

0

Question 22

22.

√

9
64
=

(i)

3
8
(ii)

1
8
(iii)

5
8
(iv)

1
2
(v)

3
10

Question 23

23.

Find the
cube root
of
1
64

(i)

1
2
(ii)

1
6
(iii)

1
4
(iv)

3
4
(v)

(
-1
4
)

Question 24

24.

Find the least number that must be subtracted from 849 to get a perfect square?

(i)

8
(ii)

10
(iii)

9
(iv)

5
(v)

7

Question 25

25.

2

0
=

(i)

-1
(ii)

1
(iii)

undefined
(iv)

∞
(v)

0

Assignment Key