EduSahara™ Worksheet

EduSahara™ Assignment

Name : G.C.D

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

The factors of 99 =

(i)

{1,9,11,33,99,10}
(ii)

{1,3,9,11,33,99,98,2}
(iii)

{1,3,9,11,33,99}
(iv)

{3,9,11,99,4,10}
(v)

{1,3,9,11,33,99,4}

Question 2

2.

The factors of 86 =

(i)

{1,2,43}
(ii)

{1,2,43,86}
(iii)

{1,2,43,86,44,85}
(iv)

{43,86,1,2}

Question 3

3.

The factors of 13 =

(i)

{12,2}
(ii)

{1,13}
(iii)

{1,13,12,2}
(iv)

{1,13,12}
(v)

{1,12}

Question 4

4.

The factors of 27 =

(i)

{1,3,9,27,2}
(ii)

{1,3,9,27,2,26}
(iii)

{1,3,9,26}
(iv)

{1,3,9,27}
(v)

{1,3,26,8}

Question 5

5.

Find all common factors of 37 and 43

(i)

{37}
(ii)

{43}
(iii)

{1,43}
(iv)

{1}
(v)

{1,37}

Question 6

6.

Find all common factors of 48 , 16 and 26

(i)

{1,2,0}
(ii)

{1,12}
(iii)

{2,0}
(iv)

{1,2,48}
(v)

{1,2}

Question 7

7.

Find all common factors of 7 and 37

(i)

{1}
(ii)

{37}
(iii)

{1,37}
(iv)

{7}
(v)

{1,7}

Question 8

8.

Find all common factors of 4 , 35 and 30

(i)

{1,4}
(ii)

{1}
(iii)

{35}
(iv)

{1,7}
(v)

{4}

Question 9

9.

Find the HCF of
{10,6}

(i)

3
(ii)

2
(iii)

4
(iv)

0
(v)

1

Question 10

10.

Find the HCF of
{38,4}

(i)

4
(ii)

3
(iii)

2
(iv)

0
(v)

1

Question 11

11.

Find the HCF of
{44,36,15}

(i)

1
(ii)

0
(iii)

3
(iv)

2
(v)

(-1)

Question 12

12.

Find the HCF of
{10,39,38,30}

(i)

3
(ii)

(-2)
(iii)

2
(iv)

1
(v)

0

Question 13

13.

Find the HCF of
{90,300}

(i)

28
(ii)

32
(iii)

31
(iv)

29
(v)

30

Question 14

14.

Find the HCF of
{330,370}

(i)

9
(ii)

10
(iii)

11
(iv)

7
(v)

13

Question 15

15.

Find the HCF of
{304,184,328}

(i)

7
(ii)

6
(iii)

10
(iv)

9
(v)

8

Question 16

16.

Find the HCF of
{490,330,370,440}

(i)

8
(ii)

13
(iii)

9
(iv)

10
(v)

11

Question 17

17.

Find the product of LCM and HCF of
{6,8}

(i)

45
(ii)

51
(iii)

48
(iv)

49
(v)

47

Question 18

18.

Find the product of LCM and HCF of
{6,4}

(i)

23
(ii)

21
(iii)

27
(iv)

25
(v)

24

Question 19

19.

Find the product of LCM and HCF of
{14,4,12}

(i)

165
(ii)

169
(iii)

168
(iv)

170
(v)

167

Question 20

20.

Find the product of LCM and HCF of
{16,4,20,24}

(i)

962
(ii)

960
(iii)

961
(iv)

959
(v)

957

Question 21

21.

The simplest form of the fraction
15
20
is

(i)

3
2
(ii)

3
4
(iii)

1
4
(iv)

5
4
(v)

1
2

Question 22

22.

Reduce the fraction
3402
6804

(i)

1
(ii)

1
4
(iii)

(
-1
2
)
(iv)

1
2
(v)

3
2

Assignment Key