EduSahara™ Worksheet

EduSahara™ Assignment

Name : HCF

Chapter : Factors and Multiples

Grade : ICSE Grade VI

License : Non Commercial Use

Question 1

1.

Find all common factors of 31 and 21

(i)

{1,31}
(ii)

{31}
(iii)

{1,21}
(iv)

{1}
(v)

{7}

Question 2

2.

Find all common factors of 14 , 4 and 6

(i)

{1,2,4}
(ii)

{2,7}
(iii)

{1,2,14}
(iv)

{1,4}
(v)

{1,2}

Question 3

3.

Find all common factors of 7 and 11

(i)

{7}
(ii)

{1}
(iii)

{1,7}
(iv)

{11}
(v)

{1,11}

Question 4

4.

Find all common factors of 12 , 6 and 28

(i)

{1,12}
(ii)

{1,2}
(iii)

{1,2,0}
(iv)

{1,2,12}
(v)

{1,0}

Question 5

5.

Find the HCF of
{14,16}

(i)

4
(ii)

3
(iii)

(-1)
(iv)

2
(v)

1

Question 6

6.

Find the HCF of
{36,18}

(i)

21
(ii)

17
(iii)

19
(iv)

18
(v)

16

Question 7

7.

Find the HCF of
{18,46,14}

(i)

1
(ii)

0
(iii)

5
(iv)

3
(v)

2

Question 8

8.

Find the HCF of
{46,10,38,20}

(i)

2
(ii)

3
(iii)

1
(iv)

4
(v)

0

Question 9

9.

Find the HCF of
{180,480}

(i)

62
(ii)

58
(iii)

59
(iv)

60
(v)

61

Question 10

10.

Find the HCF of
{240,320}

(i)

81
(ii)

83
(iii)

80
(iv)

79
(v)

77

Question 11

11.

Find the HCF of
{100,960,800}

(i)

22
(ii)

17
(iii)

20
(iv)

19
(v)

21

Question 12

12.

Find the HCF of
{280,200,32,24}

(i)

5
(ii)

7
(iii)

10
(iv)

9
(v)

8

Assignment Key