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 7 and 41

(i)

{1,7}
(ii)

{7}
(iii)

{1,41}
(iv)

{41}
(v)

{1}

Question 2

2.

Find all common factors of 6 , 28 and 14

(i)

{1,2,3}
(ii)

{1,3}
(iii)

{1,2,28}
(iv)

{1,4}
(v)

{1,2}

Question 3

3.

Find all common factors of 7 and 3

(i)

{1,3}
(ii)

{7}
(iii)

{1}
(iv)

{3}
(v)

{1,7}

Question 4

4.

Find all common factors of 25 , 4 and 36

(i)

{5}
(ii)

{0}
(iii)

{1,25}
(iv)

{1,0}
(v)

{1}

Question 5

5.

Find the HCF of
{10,15}

(i)

8
(ii)

6
(iii)

4
(iv)

2
(v)

5

Question 6

6.

Find the HCF of
{35,27}

(i)

(-1)
(ii)

4
(iii)

2
(iv)

0
(v)

1

Question 7

7.

Find the HCF of
{44,46,27}

(i)

2
(ii)

(-1)
(iii)

1
(iv)

4
(v)

0

Question 8

8.

Find the HCF of
{27,10,21,22}

(i)

2
(ii)

(-1)
(iii)

3
(iv)

1
(v)

0

Question 9

9.

Find the HCF of
{108,48}

(i)

11
(ii)

13
(iii)

15
(iv)

12
(v)

10

Question 10

10.

Find the HCF of
{126,96}

(i)

5
(ii)

6
(iii)

8
(iv)

4
(v)

7

Question 11

11.

Find the HCF of
{300,420,2640}

(i)

60
(ii)

61
(iii)

63
(iv)

59
(v)

57

Question 12

12.

Find the HCF of
{1560,3000,1680,1980}

(i)

59
(ii)

62
(iii)

57
(iv)

61
(v)

60

Question 13

13.

Find all common factors of 5 and 23

(i)

{1,5}
(ii)

{1,23}
(iii)

{23}
(iv)

{5}
(v)

{1}

Question 14

14.

Find all common factors of 8 , 34 and 22

(i)

{2,17}
(ii)

{1,2,4}
(iii)

{1,2,17}
(iv)

{2,8}
(v)

{1,2}

Question 15

15.

Find all common factors of 29 and 7

(i)

{1}
(ii)

{1,29}
(iii)

{7}
(iv)

{29}
(v)

{1,7}

Question 16

16.

Find all common factors of 30 , 39 and 44

(i)

{1}
(ii)

{1,13}
(iii)

{39}
(iv)

{5}
(v)

{1,30}

Question 17

17.

Find the HCF of
{16,10}

(i)

2
(ii)

4
(iii)

(-1)
(iv)

1
(v)

3

Question 18

18.

Find the HCF of
{6,45}

(i)

4
(ii)

3
(iii)

2
(iv)

1
(v)

6

Question 19

19.

Find the HCF of
{6,4,20}

(i)

5
(ii)

3
(iii)

(-1)
(iv)

1
(v)

2

Question 20

20.

Find the HCF of
{34,30,27,35}

(i)

1
(ii)

2
(iii)

3
(iv)

(-1)
(v)

0

Question 21

21.

Find the HCF of
{140,120}

(i)

20
(ii)

19
(iii)

17
(iv)

22
(v)

21

Question 22

22.

Find the HCF of
{660,135}

(i)

18
(ii)

12
(iii)

16
(iv)

14
(v)

15

Question 23

23.

Find the HCF of
{760,400,1120}

(i)

39
(ii)

42
(iii)

41
(iv)

40
(v)

37

Question 24

24.

Find the HCF of
{1400,1080,1680,400}

(i)

41
(ii)

40
(iii)

38
(iv)

42
(v)

39

Assignment Key