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 75 =

(i)

{1,3,5,15,25,75,24}
(ii)

{1,3,5,15,25,16}
(iii)

{1,3,5,15,25,75,24,2}
(iv)

{1,5,25,75,74,2}
(v)

{1,3,5,15,25,75}

Question 2

2.

The factors of 62 =

(i)

{1,2,31,62,32,3}
(ii)

{1,2,31}
(iii)

{1,2,31,62}
(iv)

{1,2,31,62,61}
(v)

{1,62,61,2}

Question 3

3.

The factors of 43 =

(i)

{1,43}
(ii)

{1,43,42}
(iii)

{42,2}
(iv)

{43,42}
(v)

{1,43,2,42}

Question 4

4.

The factors of 64 =

(i)

{1,2,8,32,64,31,7}
(ii)

{1,2,4,8,16,32,64,7,31}
(iii)

{1,2,4,8,16,32,64}
(iv)

{2,4,8,16,32,64,7}

Question 5

5.

Find all common factors of 33 and 9

(i)

{1,3}
(ii)

{3,33}
(iii)

{1,3,9}
(iv)

{1,3,33}
(v)

{3,9}

Question 6

6.

Find all common factors of 22 , 40 and 44

(i)

{1,2}
(ii)

{1,2,20}
(iii)

{1,40}
(iv)

{1,2,0}
(v)

{2,0}

Question 7

7.

Find all common factors of 5 and 31

(i)

{31}
(ii)

{1,5}
(iii)

{1}
(iv)

{1,31}
(v)

{5}

Question 8

8.

Find all common factors of 27 , 10 and 46

(i)

{5}
(ii)

{1}
(iii)

{1,27}
(iv)

{1,10}
(v)

{27}

Question 9

9.

Find the HCF of
{10,4}

(i)

3
(ii)

2
(iii)

0
(iv)

4
(v)

1

Question 10

10.

Find the HCF of
{45,6}

(i)

3
(ii)

5
(iii)

0
(iv)

4
(v)

2

Question 11

11.

Find the HCF of
{8,28,21}

(i)

0
(ii)

1
(iii)

2
(iv)

(-2)
(v)

3

Question 12

12.

Find the HCF of
{18,34,14,16}

(i)

1
(ii)

3
(iii)

2
(iv)

5
(v)

0

Question 13

13.

Find the HCF of
{300,180}

(i)

57
(ii)

59
(iii)

63
(iv)

61
(v)

60

Question 14

14.

Find the HCF of
{120,420}

(i)

59
(ii)

61
(iii)

63
(iv)

58
(v)

60

Question 15

15.

Find the HCF of
{54,48,216}

(i)

3
(ii)

5
(iii)

9
(iv)

6
(v)

7

Question 16

16.

Find the HCF of
{272,392,296,88}

(i)

9
(ii)

10
(iii)

6
(iv)

8
(v)

7

Question 17

17.

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

(i)

27
(ii)

24
(iii)

21
(iv)

23
(v)

25

Question 18

18.

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

(i)

477
(ii)

480
(iii)

479
(iv)

482
(v)

481

Question 19

19.

Find the product of LCM and HCF of
{4,27,21}

(i)

753
(ii)

756
(iii)

755
(iv)

757
(v)

759

Question 20

20.

Find the product of LCM and HCF of
{6,15,4,18}

(i)

179
(ii)

180
(iii)

181
(iv)

177
(v)

183

Question 21

21.

The simplest form of the fraction
48
176
is

(i)

3
11
(ii)

5
11
(iii)

1
3
(iv)

3
13
(v)

1
11

Question 22

22.

Reduce the fraction
5184
8640

(i)

1
(ii)

3
7
(iii)

3
5
(iv)

1
5

Assignment Key