EduSahara™ Worksheet

EduSahara™ Assignment

Name : G.C.D

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

The factors of 17 =

(i)

{1,17,16}
(ii)

{1,17}
(iii)

{2,16}
(iv)

{1,2}
(v)

{1,17,16,2}

Question 2

2.

The factors of 60 =

(i)

{1,3,4,5,6,10,12,15,20,30,60,31}
(ii)

{1,2,3,4,5,6,10,12,15,20,30,60}
(iii)

{1,2,5,6,10,12,15,20,30,60,13,31}
(iv)

{1,2,3,4,5,6,10,12,15,20,30,60,13,59}

Question 3

3.

The factors of 5 =

(i)

{1,5,4,2}
(ii)

{1,2}
(iii)

{4,2}
(iv)

{1,5,2}
(v)

{1,5}

Question 4

4.

The factors of 64 =

(i)

{1,2,8,16,32,64,17}
(ii)

{2,4,8,16,64,63,17}
(iii)

{1,2,4,8,16,32,64,3,17}
(iv)

{1,2,4,8,16,32,64,17}
(v)

{1,2,4,8,16,32,64}

Question 5

5.

Find all common factors of 1 and 33

(i)

{1,11}
(ii)

{0}
(iii)

{1,0}
(iv)

{11}
(v)

{1}

Question 6

6.

Find all common factors of 6 , 12 and 40

(i)

{1,2,0}
(ii)

{2,0}
(iii)

{2,12}
(iv)

{1,2}
(v)

{1,2,12}

Question 7

7.

Find all common factors of 13 and 11

(i)

{1}
(ii)

{13}
(iii)

{1,13}
(iv)

{11}
(v)

{1,11}

Question 8

8.

Find all common factors of 35 , 49 and 16

(i)

{1,49}
(ii)

{49}
(iii)

{5}
(iv)

{1}
(v)

{1,5}

Question 9

9.

Find the HCF of
{14,15}

(i)

2
(ii)

3
(iii)

0
(iv)

1
(v)

(-1)

Question 10

10.

Find the HCF of
{10,21}

(i)

3
(ii)

1
(iii)

0
(iv)

(-1)
(v)

2

Question 11

11.

Find the HCF of
{44,34,30}

(i)

1
(ii)

5
(iii)

3
(iv)

0
(v)

2

Question 12

12.

Find the HCF of
{30,21,36,27}

(i)

2
(ii)

0
(iii)

3
(iv)

4
(v)

6

Question 13

13.

Find the HCF of
{12,102}

(i)

6
(ii)

4
(iii)

8
(iv)

7
(v)

5

Question 14

14.

Find the HCF of
{180,810}

(i)

87
(ii)

89
(iii)

90
(iv)

93
(v)

91

Question 15

15.

Find the HCF of
{675,375,195}

(i)

14
(ii)

15
(iii)

13
(iv)

16
(v)

18

Question 16

16.

Find the HCF of
{444,240,528,300}

(i)

11
(ii)

13
(iii)

14
(iv)

12
(v)

10

Question 17

17.

Find the product of LCM and HCF of
{9,6}

(i)

57
(ii)

54
(iii)

55
(iv)

52
(v)

53

Question 18

18.

Find the product of LCM and HCF of
{15,8}

(i)

121
(ii)

120
(iii)

118
(iv)

119
(v)

122

Question 19

19.

Find the product of LCM and HCF of
{22,6,16}

(i)

1054
(ii)

1055
(iii)

1056
(iv)

1058
(v)

1057

Question 20

20.

Find the product of LCM and HCF of
{4,6,15,25}

(i)

300
(ii)

303
(iii)

299
(iv)

298
(v)

301

Question 21

21.

The simplest form of the fraction
48
108
is

(i)

4
9
(ii)

4
7
(iii)

2
9
(iv)

2
3
(v)

4
11

Question 22

22.

Reduce the fraction
324
3240

(i)

(
-1
10
)
(ii)

1
8
(iii)

3
10
(iv)

1
10
(v)

1
12

Assignment Key