EduSahara™ Worksheet

EduSahara™ Assignment

Name : HCF

Chapter : Playing with Numbers

Grade : CBSE Grade VI

License : Non Commercial Use

Question 1

1.

Find all common factors of 45 and 7

(i)

{1}
(ii)

{1,7}
(iii)

{15}
(iv)

{7}
(v)

{1,9}

Question 2

2.

Find all common factors of 36 , 34 and 32

(i)

{1,17}
(ii)

{1,2}
(iii)

{1,3}
(iv)

{1,2,36}
(v)

{1,2,34}

Question 3

3.

Find all common factors of 37 and 7

(i)

{1,7}
(ii)

{37}
(iii)

{7}
(iv)

{1}
(v)

{1,37}

Question 4

4.

Find all common factors of 24 , 34 and 40

(i)

{1,2,34}
(ii)

{1,24}
(iii)

{2,34}
(iv)

{1,2,12}
(v)

{1,2}

Question 5

5.

Find the HCF of
{4,14}

(i)

4
(ii)

2
(iii)

(-1)
(iv)

1
(v)

3

Question 6

6.

Find the HCF of
{14,32}

(i)

3
(ii)

1
(iii)

2
(iv)

0
(v)

4

Question 7

7.

Find the HCF of
{46,45,30}

(i)

0
(ii)

1
(iii)

2
(iv)

4
(v)

(-2)

Question 8

8.

Find the HCF of
{32,39,20,40}

(i)

1
(ii)

0
(iii)

(-1)
(iv)

3
(v)

2

Question 9

9.

Find the HCF of
{420,1140}

(i)

58
(ii)

63
(iii)

59
(iv)

60
(v)

61

Question 10

10.

Find the HCF of
{102,114}

(i)

5
(ii)

7
(iii)

3
(iv)

9
(v)

6

Question 11

11.

Find the HCF of
{1720,1400,160}

(i)

42
(ii)

38
(iii)

39
(iv)

41
(v)

40

Question 12

12.

Find the HCF of
{384,32,376,344}

(i)

8
(ii)

11
(iii)

9
(iv)

7
(v)

6

Question 13

13.

Find all common factors of 35 and 31

(i)

{1,31}
(ii)

{31}
(iii)

{1,35}
(iv)

{7}
(v)

{1}

Question 14

14.

Find all common factors of 30 , 6 and 8

(i)

{1,10}
(ii)

{1,2,0}
(iii)

{1,2,30}
(iv)

{2,0}
(v)

{1,2}

Question 15

15.

Find all common factors of 13 and 19

(i)

{1,19}
(ii)

{19}
(iii)

{1}
(iv)

{13}
(v)

{1,13}

Question 16

16.

Find all common factors of 36 , 46 and 25

(i)

{1,23}
(ii)

{1}
(iii)

{3}
(iv)

{1,9}
(v)

{23}

Question 17

17.

Find the HCF of
{15,4}

(i)

1
(ii)

2
(iii)

(-1)
(iv)

0
(v)

3

Question 18

18.

Find the HCF of
{40,45}

(i)

5
(ii)

6
(iii)

3
(iv)

8
(v)

4

Question 19

19.

Find the HCF of
{4,10,26}

(i)

4
(ii)

(-1)
(iii)

1
(iv)

3
(v)

2

Question 20

20.

Find the HCF of
{44,35,34,21}

(i)

4
(ii)

2
(iii)

(-1)
(iv)

0
(v)

1

Question 21

21.

Find the HCF of
{100,160}

(i)

20
(ii)

22
(iii)

21
(iv)

18
(v)

19

Question 22

22.

Find the HCF of
{18,216}

(i)

20
(ii)

18
(iii)

17
(iv)

16
(v)

19

Question 23

23.

Find the HCF of
{960,360,690}

(i)

27
(ii)

33
(iii)

31
(iv)

30
(v)

29

Question 24

24.

Find the HCF of
{234,150,54,288}

(i)

6
(ii)

4
(iii)

8
(iv)

7
(v)

5

Assignment Key