EduSahara™ Worksheet

Question 1

1.

Find the least number that must be subtracted from 1528 to get a perfect square?

(i)

4
(ii)

9
(iii)

6
(iv)

8
(v)

7

Question 2

2.

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

(i)

97
(ii)

101
(iii)

102
(iv)

99
(v)

100

Question 3

3.

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

(i)

17
(ii)

16
(iii)

15
(iv)

14
(v)

19

Question 4

4.

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

(i)

9799
(ii)

9802
(iii)

9800
(iv)

9801
(v)

9804

Question 5

5.

Identify the Pythagorean triplet whose largest number is 37

(i)

{13,34,37}
(ii)

{12,35,37}
(iii)

{11,36,37}
(iv)

{14,36,37}
(v)

{10,33,37}

Question 6

6.

Find the
square root
of
4

(i)

0
(ii)

1
(iii)

4
(iv)

2
(v)

3

Question 7

7.

Which of the following is a Pythagorean triplet?

(i)

{12,34,36}
(ii)

{12,37,36}
(iii)

{12,35,37}
(iv)

{12,36,38}
(v)

{12,33,37}

Question 8

8.

The smallest number by which 8 must be multiplied so that the product is a perfect square is?

(i)

(-1)
(ii)

4
(iii)

2
(iv)

1
(v)

3

Question 9

9.

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

(i)

961
(ii)

960
(iii)

958
(iv)

962
(v)

964

Question 10

10.

(i)

25000
(ii)

250
(iii)

2502
(iv)

2498
(v)

2500

Question 11

11.

The solution of
√

12
lies between

(i)

3.3 and 3.4
(ii)

3.6 and 3.7
(iii)

3.4 and 3.5
(iv)

3.5 and 3.6
(v)

3.2 and 3.3

Question 12

12.

(i)

32
(ii)

5.2
(iii)

3.2
(iv)

0.3
(v)

1.2

Question 13

13.

(i)

562
(ii)

560
(iii)

558
(iv)

5600
(v)

56

Question 14

14.

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

(i)

10000
(ii)

9999
(iii)

10001
(iv)

10002
(v)

9998

Question 15

15.

(i)

0.03
(ii)

0.31
(iii)

8.31
(iv)

2.31
(v)

3.1

Question 16

16.

Find the
square root
of
25
4

(i)

3
(ii)

9
4
(iii)

7
2
(iv)

5
2
(v)

3
2

Question 17

17.

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

(i)

83
(ii)

78
(iii)

81
(iv)

80
(v)

82

Question 18

18.

Identify the Pythagorean triplet whose smallest number is 18

(i)

{18,82,84}
(ii)

{18,81,84}
(iii)

{18,81,83}
(iv)

{18,82,83}
(v)

{18,80,82}

Question 19

19.

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

(i)

1023
(ii)

1021
(iii)

1027
(iv)

1025
(v)

1024

Question 20

20.

Identify the Pythagorean triplet whose one of the numbers is 15

(i)

{9,15,14}
(ii)

{8,15,17}
(iii)

{9,15,16}
(iv)

{7,15,16}
(v)

{10,15,17}

Question 21

21.

Which of the following is a perfect square?

(i)

2212
(ii)

321
(iii)

2025
(iv)

325
(v)

2115

Question 22

22.

The solution of
√

10
lies between

(i)

3.1624 and 3.1625
(ii)

3.1623 and 3.1624
(iii)

3.1620 and 3.1621
(iv)

3.1622 and 3.1623
(v)

3.1621 and 3.1622

Question 23

23.

Find the number of numbers between
13 2
and
14 2

(i)

27
(ii)

25
(iii)

26
(iv)

23
(v)

28

Question 24

24.

How many digits are there in the square root of 4225?

(i)

(-1)
(ii)

3
(iii)

2
(iv)

5
(v)

1

Question 25

25.

The smallest number by which 2312 must be divided so that the quotient is a perfect square is?

(i)

3
(ii)

2
(iii)

(-1)
(iv)

1
(v)

4

Assignment Key