EduSahara™ Assignment
Name : Proportion Concepts
Chapter : Ratio and Proportion
Grade : ICSE Grade VI
License : Non Commercial Use
Question
1
1.
Find the product of extremes of
11
:
10
and
17
:
19
(i)
206
(ii)
170
(iii)
209
(iv)
212
(v)
208
Question
2
2.
Find the product of extremes of
7
19
:
11
18
and
20
7
:
14
19
(i)
98
359
(ii)
96
361
(iii)
110
63
(iv)
100
361
(v)
98
361
Question
3
3.
Find the product of means of
12
:
11
and
9
:
2
(i)
24
(ii)
98
(iii)
97
(iv)
102
(v)
99
Question
4
4.
Find the product of means of
3
8
:
9
11
and
7
2
:
20
11
(i)
61
22
(ii)
15
22
(iii)
65
22
(iv)
63
22
(v)
63
20
Question
5
5.
Which of the ratios is proportional to 28 : 7?
(i)
23
:
6
(ii)
24
:
6
(iii)
24
:
8
(iv)
24
:
4
(v)
25
:
6
Question
6
6.
Find the missing value in the equation
____
:
1
=
32
:
8
(i)
7
(ii)
4
(iii)
5
(iv)
1
(v)
3
Question
7
7.
Find the missing value in the equation
12
:
____
=
8
:
2
(i)
6
(ii)
2
(iii)
0
(iv)
4
(v)
3
Question
8
8.
Find the missing value in the equation
30
:
5
=
____
:
9
(i)
53
(ii)
54
(iii)
55
(iv)
51
(v)
56
Question
9
9.
Find the missing value in the equation
36
:
9
=
28
:
____
(i)
6
(ii)
7
(iii)
8
(iv)
4
(v)
10
Question
10
10.
Find the number which bears the same ratio
to
4
8
that
3
9
does to
3
10
(i)
5
8
(ii)
2
3
(iii)
4
9
(iv)
1
2
(v)
5
9
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
ac = bd
(ii)
ad = bc
(iii)
ab = cd
(iv)
abc = bcd
Question
12
12.
The ratio 2 : 5 is proportional to which of the following ratios?
(i)
12
:
30
(ii)
6
:
20
(iii)
10
:
10
(iv)
8
:
15
(v)
4
:
25
Question
13
13.
Which of the following represents a proportion ?
(i)
31
:
47
::
93
:
188
(ii)
30
:
46
::
120
:
138
(iii)
34
:
50
::
102
:
100
(iv)
33
:
49
::
66
:
147
(v)
32
:
48
::
128
:
192
Question
14
14.
Which of the following does not represent a proportion ?
(i)
8
:
12
::
40
:
60
(ii)
4
:
5
::
8
:
15
(iii)
10
:
12
::
30
:
36
(iv)
18
:
21
::
36
:
42
(v)
9
:
12
::
36
:
48
Question
15
15.
If
x
:
12
::
36
:
18
, find '
x
'
(i)
21
(ii)
25
(iii)
24
(iv)
27
(v)
23
Assignment Key
1) (iii)
2) (v)
3) (v)
4) (iv)
5) (ii)
6) (ii)
7) (v)
8) (ii)
9) (ii)
10) (v)
11) (ii)
12) (i)
13) (v)
14) (ii)
15) (iii)
