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 27 and 17

(i)

{1,9}
(ii)

{27}
(iii)

{1,17}
(iv)

{1}
(v)

{17}

Question 2

2.

Find all common factors of 2 , 28 and 16

(i)

{1,2}
(ii)

{1,2,0}
(iii)

{2,0}
(iv)

{1,14}
(v)

{1,2,14}

Question 3

3.

Find all common factors of 23 and 13

(i)

{1,13}
(ii)

{1,23}
(iii)

{23}
(iv)

{13}
(v)

{1}

Question 4

4.

Find all common factors of 18 , 12 and 38

(i)

{1,2,4}
(ii)

{2,18}
(iii)

{1,2,18}
(iv)

{1,4}
(v)

{1,2}

Question 5

5.

Find the HCF of
{12,4}

(i)

5
(ii)

2
(iii)

4
(iv)

3
(v)

6

Question 6

6.

Find the HCF of
{4,38}

(i)

1
(ii)

3
(iii)

5
(iv)

2
(v)

(-1)

Question 7

7.

Find the HCF of
{38,25,48}

(i)

(-1)
(ii)

0
(iii)

2
(iv)

1
(v)

4

Question 8

8.

Find the HCF of
{48,4,35,9}

(i)

(-1)
(ii)

4
(iii)

0
(iv)

1
(v)

2

Question 9

9.

Find the HCF of
{144,168}

(i)

26
(ii)

24
(iii)

23
(iv)

22
(v)

25

Question 10

10.

Find the HCF of
{375,660}

(i)

15
(ii)

16
(iii)

13
(iv)

17
(v)

14

Question 11

11.

Find the HCF of
{1880,960,1320}

(i)

39
(ii)

43
(iii)

41
(iv)

37
(v)

40

Question 12

12.

Find the HCF of
{20,120,480,150}

(i)

10
(ii)

11
(iii)

9
(iv)

8
(v)

13

Assignment Key