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 37 and 7

(i)

{1,7}
(ii)

{37}
(iii)

{7}
(iv)

{1}
(v)

{1,37}

Question 2

2.

Find all common factors of 34 , 4 and 12

(i)

{2,0}
(ii)

{1,2,0}
(iii)

{1,2,17}
(iv)

{1,17}
(v)

{1,2}

Question 3

3.

Find all common factors of 23 and 13

(i)

{23}
(ii)

{13}
(iii)

{1,13}
(iv)

{1}
(v)

{1,23}

Question 4

4.

Find all common factors of 22 , 12 and 21

(i)

{1}
(ii)

{1,22}
(iii)

{1,6}
(iv)

{4}
(v)

{11}

Question 5

5.

Find the HCF of
{9,4}

(i)

(-2)
(ii)

1
(iii)

2
(iv)

0
(v)

4

Question 6

6.

Find the HCF of
{33,48}

(i)

4
(ii)

3
(iii)

2
(iv)

0
(v)

5

Question 7

7.

Find the HCF of
{39,9,6}

(i)

4
(ii)

2
(iii)

0
(iv)

6
(v)

3

Question 8

8.

Find the HCF of
{14,10,18,39}

(i)

(-2)
(ii)

0
(iii)

4
(iv)

2
(v)

1

Question 9

9.

Find the HCF of
{32,40}

(i)

7
(ii)

8
(iii)

9
(iv)

11
(v)

6

Question 10

10.

Find the HCF of
{186,180}

(i)

5
(ii)

8
(iii)

6
(iv)

4
(v)

7

Question 11

11.

Find the HCF of
{120,576,144}

(i)

25
(ii)

22
(iii)

26
(iv)

24
(v)

23

Question 12

12.

Find the HCF of
{880,1560,1600,600}

(i)

39
(ii)

40
(iii)

38
(iv)

41
(v)

42

Question 13

13.

Find all common factors of 21 and 39

(i)

{3,39}
(ii)

{1,7}
(iii)

{1,3,7}
(iv)

{1,3,39}
(v)

{1,3}

Question 14

14.

Find all common factors of 16 , 40 and 46

(i)

{1,16}
(ii)

{1,2,16}
(iii)

{1,2,5}
(iv)

{2,5}
(v)

{1,2}

Question 15

15.

Find all common factors of 31 and 41

(i)

{31}
(ii)

{1,31}
(iii)

{1,41}
(iv)

{41}
(v)

{1}

Question 16

16.

Find all common factors of 30 , 18 and 45

(i)

{3,10}
(ii)

{1,3}
(iii)

{1,3,18}
(iv)

{1,3,30}
(v)

{3,18}

Question 17

17.

Find the HCF of
{10,9}

(i)

(-1)
(ii)

2
(iii)

1
(iv)

0
(v)

4

Question 18

18.

Find the HCF of
{24,38}

(i)

1
(ii)

4
(iii)

2
(iv)

(-1)
(v)

3

Question 19

19.

Find the HCF of
{33,28,12}

(i)

1
(ii)

2
(iii)

0
(iv)

(-1)
(v)

3

Question 20

20.

Find the HCF of
{45,24,30,4}

(i)

3
(ii)

1
(iii)

0
(iv)

(-2)
(v)

2

Question 21

21.

Find the HCF of
{96,288}

(i)

96
(ii)

97
(iii)

93
(iv)

99
(v)

95

Question 22

22.

Find the HCF of
{220,380}

(i)

20
(ii)

18
(iii)

19
(iv)

21
(v)

23

Question 23

23.

Find the HCF of
{640,520,320}

(i)

43
(ii)

39
(iii)

40
(iv)

37
(v)

41

Question 24

24.

Find the HCF of
{272,136,160,296}

(i)

7
(ii)

5
(iii)

9
(iv)

10
(v)

8

Assignment Key