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 31

(i)

{1}
(ii)

{1,9}
(iii)

{27}
(iv)

{1,31}
(v)

{31}

Question 2

2.

Find all common factors of 44 , 36 and 46

(i)

{1,2}
(ii)

{1,3}
(iii)

{1,2,12}
(iv)

{2,22}
(v)

{1,2,44}

Question 3

3.

Find all common factors of 29 and 19

(i)

{1}
(ii)

{29}
(iii)

{1,29}
(iv)

{1,19}
(v)

{19}

Question 4

4.

Find all common factors of 9 , 21 and 28

(i)

{1,9}
(ii)

{1}
(iii)

{21}
(iv)

{1,21}
(v)

{9}

Question 5

5.

Find the HCF of
{4,15}

(i)

3
(ii)

(-1)
(iii)

2
(iv)

0
(v)

1

Question 6

6.

Find the HCF of
{9,18}

(i)

11
(ii)

8
(iii)

10
(iv)

9
(v)

6

Question 7

7.

Find the HCF of
{48,33,21}

(i)

0
(ii)

4
(iii)

3
(iv)

2
(v)

6

Question 8

8.

Find the HCF of
{44,33,8,4}

(i)

0
(ii)

(-1)
(iii)

4
(iv)

1
(v)

2

Question 9

9.

Find the HCF of
{420,90}

(i)

33
(ii)

31
(iii)

30
(iv)

28
(v)

29

Question 10

10.

Find the HCF of
{1480,200}

(i)

43
(ii)

41
(iii)

39
(iv)

40
(v)

38

Question 11

11.

Find the HCF of
{1290,240,720}

(i)

31
(ii)

29
(iii)

30
(iv)

33
(v)

27

Question 12

12.

Find the HCF of
{280,240,350,220}

(i)

13
(ii)

9
(iii)

10
(iv)

11
(v)

7

Assignment Key