EduSahara™ Assignment
Name : G.C.D
Chapter : Factors and Multiples
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
The factors of 57 =
(i)
{3,19,57,2}
(ii)
{19,57,20,2}
(iii)
{1,3,19,57,56,4}
(iv)
{1,3,19,57}
(v)
{1,3,19,57,20}
Question
2
2.
The factors of 84 =
(i)
{1,2,3,4,6,7,14,21,28,42,84,11}
(ii)
{1,2,3,4,6,7,12,14,21,28,42,84}
(iii)
{1,2,4,6,7,14,21,28,42,84,83,13}
(iv)
{1,2,3,4,6,7,12,14,21,28,42,84,11,13}
Question
3
3.
The factors of 31 =
(i)
{1,31}
(ii)
{31,2}
(iii)
{2,30}
(iv)
{1,31,2,30}
(v)
{1,31,2}
Question
4
4.
The factors of 33 =
(i)
{1,3,11,33,32}
(ii)
{1,3,11,33,2,4}
(iii)
{1,3,11,33}
(iv)
{1,3,33,2}
(v)
{1,33,12,2}
Question
5
5.
Find all common factors of 27 and 45
(i)
{3,9,27}
(ii)
{1,3,5}
(iii)
{1,3,9}
(iv)
{1,3,9,15}
(v)
{1,3,9,27}
Question
6
6.
Find all common factors of 16 , 4 and 30
(i)
{2,8}
(ii)
{1,0}
(iii)
{1,2}
(iv)
{1,2,8}
(v)
{1,2,0}
Question
7
7.
Find all common factors of 3 and 11
(i)
{1,11}
(ii)
{1}
(iii)
{11}
(iv)
{1,3}
(v)
{3}
Question
8
8.
Find all common factors of 6 , 32 and 45
(i)
{1,4}
(ii)
{6}
(iii)
{1}
(iv)
{4}
(v)
{1,6}
Question
9
9.
Find the HCF of
{10,18}
(i)
1
(ii)
0
(iii)
2
(iv)
3
(v)
5
Question
10
10.
Find the HCF of
{10,39}
(i)
(-1)
(ii)
2
(iii)
1
(iv)
0
(v)
4
Question
11
11.
Find the HCF of
{24,21,4}
(i)
1
(ii)
2
(iii)
0
(iv)
(-1)
(v)
4
Question
12
12.
Find the HCF of
{8,27,46,12}
(i)
1
(ii)
0
(iii)
2
(iv)
(-2)
(v)
3
Question
13
13.
Find the HCF of
{112,96}
(i)
16
(ii)
17
(iii)
14
(iv)
15
(v)
19
Question
14
14.
Find the HCF of
{380,1000}
(i)
22
(ii)
18
(iii)
20
(iv)
21
(v)
19
Question
15
15.
Find the HCF of
{90,170,410}
(i)
9
(ii)
10
(iii)
8
(iv)
12
(v)
11
Question
16
16.
Find the HCF of
{232,160,360,288}
(i)
8
(ii)
9
(iii)
10
(iv)
7
(v)
5
Question
17
17.
Find the product of LCM and HCF of
{4,9}
(i)
37
(ii)
35
(iii)
34
(iv)
36
(v)
39
Question
18
18.
Find the product of LCM and HCF of
{20,25}
(i)
501
(ii)
500
(iii)
499
(iv)
497
(v)
502
Question
19
19.
Find the product of LCM and HCF of
{24,27,6}
(i)
649
(ii)
646
(iii)
651
(iv)
648
(v)
647
Question
20
20.
Find the product of LCM and HCF of
{15,24,20,4}
(i)
121
(ii)
118
(iii)
119
(iv)
120
(v)
122
Question
21
21.
The simplest form of the fraction
5
65
is
(i)
3
13
(ii)
1
11
(iii)
1
15
(iv)
(
-1
13
)
(v)
1
13
Question
22
22.
Reduce the fraction
378
630
(i)
3
5
(ii)
3
7
(iii)
1
(iv)
1
5
Assignment Key
1) (iv)
2) (ii)
3) (i)
4) (iii)
5) (iii)
6) (iii)
7) (ii)
8) (iii)
9) (iii)
10) (iii)
11) (i)
12) (i)
13) (i)
14) (iii)
15) (ii)
16) (i)
17) (iv)
18) (ii)
19) (iv)
20) (iv)
21) (v)
22) (i)
