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 23 and 37

(i)

{37}
(ii)

{1}
(iii)

{23}
(iv)

{1,37}
(v)

{1,23}

Question 2

2.

Find all common factors of 34 , 26 and 4

(i)

{1,34}
(ii)

{1,2,13}
(iii)

{1,2}
(iv)

{1,13}
(v)

{1,2,34}

Question 3

3.

Find all common factors of 5 and 11

(i)

{5}
(ii)

{1,5}
(iii)

{1,11}
(iv)

{1}
(v)

{11}

Question 4

4.

Find all common factors of 25 , 8 and 21

(i)

{1,5}
(ii)

{5}
(iii)

{4}
(iv)

{1,4}
(v)

{1}

Question 5

5.

Find the HCF of
{16,9}

(i)

1
(ii)

0
(iii)

3
(iv)

(-2)
(v)

2

Question 6

6.

Find the HCF of
{35,21}

(i)

5
(ii)

8
(iii)

7
(iv)

6
(v)

10

Question 7

7.

Find the HCF of
{22,24,10}

(i)

3
(ii)

4
(iii)

2
(iv)

(-1)
(v)

1

Question 8

8.

Find the HCF of
{33,22,44,25}

(i)

2
(ii)

(-1)
(iii)

1
(iv)

4
(v)

0

Question 9

9.

Find the HCF of
{480,240}

(i)

242
(ii)

238
(iii)

239
(iv)

240
(v)

241

Question 10

10.

Find the HCF of
{360,500}

(i)

18
(ii)

23
(iii)

21
(iv)

19
(v)

20

Question 11

11.

Find the HCF of
{300,168,312}

(i)

14
(ii)

12
(iii)

11
(iv)

9
(v)

13

Question 12

12.

Find the HCF of
{186,66,258,288}

(i)

6
(ii)

7
(iii)

8
(iv)

5
(v)

4

Question 13

13.

Find all common factors of 23 and 37

(i)

{1}
(ii)

{1,37}
(iii)

{1,23}
(iv)

{37}
(v)

{23}

Question 14

14.

Find all common factors of 4 , 34 and 14

(i)

{1,34}
(ii)

{1,2,4}
(iii)

{1,2}
(iv)

{1,4}
(v)

{1,2,17}

Question 15

15.

Find all common factors of 23 and 41

(i)

{1}
(ii)

{1,23}
(iii)

{41}
(iv)

{23}
(v)

{1,41}

Question 16

16.

Find all common factors of 30 , 39 and 20

(i)

{1}
(ii)

{30}
(iii)

{1,13}
(iv)

{1,30}
(v)

{13}

Question 17

17.

Find the HCF of
{9,15}

(i)

2
(ii)

3
(iii)

4
(iv)

6
(v)

1

Question 18

18.

Find the HCF of
{39,22}

(i)

3
(ii)

1
(iii)

(-2)
(iv)

0
(v)

2

Question 19

19.

Find the HCF of
{9,36,38}

(i)

3
(ii)

0
(iii)

2
(iv)

1
(v)

(-2)

Question 20

20.

Find the HCF of
{10,4,45,27}

(i)

1
(ii)

4
(iii)

0
(iv)

(-2)
(v)

2

Question 21

21.

Find the HCF of
{300,1200}

(i)

301
(ii)

299
(iii)

300
(iv)

297
(v)

302

Question 22

22.

Find the HCF of
{300,1620}

(i)

61
(ii)

63
(iii)

58
(iv)

59
(v)

60

Question 23

23.

Find the HCF of
{570,1080,1140}

(i)

27
(ii)

30
(iii)

32
(iv)

31
(v)

29

Question 24

24.

Find the HCF of
{330,990,1320,690}

(i)

29
(ii)

33
(iii)

28
(iv)

30
(v)

31

Assignment Key