EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

The factors of 2 =

(i)

{2,1}
(ii)

{1,2}

Question 2

2.

The common multiples of 6 , 9 and 4 =

(i)

{72,108,144,208}
(ii)

{36,108,144,113}
(iii)

{36,72,108,144}
(iv)

{36,72,144,314}
(v)

{36,72,144,133}

Question 3

3.

The common multiples of 8 , 6 and 2 =

(i)

{24,48,305}
(ii)

{24,48,72}
(iii)

{24,48,39}
(iv)

{24,48,139}
(v)

{24,72,89}

Question 4

4.

Find the LCM of
{300,660}

(i)

3300
(ii)

3301
(iii)

3297
(iv)

3303
(v)

3299

Question 5

5.

Which of the following is a composite number?

(i)

7
(ii)

11
(iii)

41
(iv)

20
(v)

37

Question 6

6.

Find the HCF of
{900,2340}

(i)

179
(ii)

180
(iii)

182
(iv)

181
(v)

178

Question 7

7.

Find the HCF of
{9,4}

(i)

(-2)
(ii)

1
(iii)

0
(iv)

4
(v)

2

Question 8

8.

The factors of 97 =

(i)

{97,2}
(ii)

{2,96}
(iii)

{1,97,2,96}
(iv)

{1,97}
(v)

{1,97,96}

Question 9

9.

Find the LCM of
{16,6}

(i)

47
(ii)

48
(iii)

49
(iv)

46
(v)

50

Question 10

10.

Find the number of prime factors of
8

(i)

1
(ii)

4
(iii)

3
(iv)

0
(v)

2

Question 11

11.

Which of the following is a prime number?

(i)

45
(ii)

29
(iii)

20
(iv)

33
(v)

24

Question 12

12.

Find the LCM of
{480,540}

(i)

4319
(ii)

4320
(iii)

4322
(iv)

4321
(v)

4318

Question 13

13.

Find the number of prime factors of
126

(i)

0
(ii)

2
(iii)

3
(iv)

1
(v)

4

Question 14

14.

The multiples of 13 =

(i)

{13,26,39,52,65,78,25}
(ii)

{13,26,39,52,65,78}
(iii)

{13,26,39,52,65,78,64,25}
(iv)

{26,39,52,65,78,51}
(v)

{26,52,65,78,51,79}

Question 15

15.

Find the prime factorization of
70

(i)

2

✕

5

✕

7 2
(ii)

2

✕

4

✕

7
(iii)

2

✕

5

✕

4
(iv)

2

✕

5

✕

7
(v)

2

✕

7

✕

7

Question 16

16.

The factors of 51 =

(i)

{1,3,17,51}
(ii)

{1,17,16,50}
(iii)

{1,3,17,51,4,2}
(iv)

{1,3,17,51,50}
(v)

{3,17,51,50}

Question 17

17.

The factors of 24 =

(i)

{1,2,3,6,8,12,24}
(ii)

{1,2,3,4,6,8,12,24}
(iii)

{1,2,6,8,12,24,5,7}
(iv)

{1,2,3,4,6,8,12,24,5,7}

Question 18

18.

Find the product of LCM and HCF of
{20,27,24,18}

(i)

1080
(ii)

1077
(iii)

1081
(iv)

1079
(v)

1082

Question 19

19.

The common multiples of 3 and 5 =

(i)

{30,45,60,75,90,105,120,103}
(ii)

{15,30,60,75,90,105,120,126}
(iii)

{15,30,45,60,75,105,120,80}
(iv)

{15,30,45,60,75,90,105,120}
(v)

{15,30,45,60,75,90,120,19}

Question 20

20.

Reduce the fraction
240
1080

(i)

4
9
(ii)

0
(iii)

2
11
(iv)

2
7
(v)

2
9

Question 21

21.

Find the HCF of
{120,600,150}

(i)

33
(ii)

29
(iii)

31
(iv)

30
(v)

28

Question 22

22.

Find the total number of factors of
1008

(i)

28
(ii)

29
(iii)

30
(iv)

31
(v)

33

Question 23

23.

Find the total number of factors of
72

(i)

9
(ii)

13
(iii)

14
(iv)

12
(v)

11

Question 24

24.

Which of the following is an odd number?

(i)

4
(ii)

13
(iii)

24
(iv)

38
(v)

18

Question 25

25.

Find the LCM of
{9,8}

(i)

73
(ii)

71
(iii)

69
(iv)

75
(v)

72

Assignment Key