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
6
:
14
and
14
:
2
(i)
10
(ii)
196
(iii)
14
(iv)
12
(v)
11
Question
2
2.
Find the product of extremes of
7
8
:
10
9
and
3
11
:
19
4
(i)
135
32
(ii)
133
30
(iii)
131
32
(iv)
10
33
(v)
133
32
Question
3
3.
Find the product of means of
7
:
8
and
13
:
14
(i)
103
(ii)
106
(iii)
98
(iv)
101
(v)
104
Question
4
4.
Find the product of means of
1
7
:
5
18
and
12
17
:
1
5
(i)
1
35
(ii)
10
49
(iii)
8
51
(iv)
10
51
(v)
4
17
Question
5
5.
Which of the ratios is proportional to 20 : 5?
(i)
29
:
7
(ii)
28
:
7
(iii)
28
:
4
(iv)
28
:
10
(v)
27
:
7
Question
6
6.
Find the missing value in the equation
____
:
7
=
18
:
3
(i)
43
(ii)
41
(iii)
39
(iv)
42
(v)
45
Question
7
7.
Find the missing value in the equation
30
:
____
=
48
:
8
(i)
6
(ii)
8
(iii)
5
(iv)
4
(v)
3
Question
8
8.
Find the missing value in the equation
2
:
1
=
____
:
2
(i)
5
(ii)
1
(iii)
3
(iv)
6
(v)
4
Question
9
9.
Find the missing value in the equation
34
:
1
=
204
:
____
(i)
5
(ii)
9
(iii)
7
(iv)
6
(v)
3
Question
10
10.
Find the number which bears the same ratio
to
1
7
that
4
8
does to
17
154
(i)
11
15
(ii)
11
17
(iii)
11
19
(iv)
13
17
(v)
9
17
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
ac = bd
(ii)
abc = bcd
(iii)
ad = bc
(iv)
ab = cd
Question
12
12.
The ratio 3 : 2 is proportional to which of the following ratios?
(i)
9
:
10
(ii)
15
:
6
(iii)
6
:
12
(iv)
12
:
8
(v)
18
:
4
Question
13
13.
Which of the following represents a proportion ?
(i)
41
:
27
::
123
:
108
(ii)
44
:
30
::
132
:
60
(iii)
43
:
29
::
86
:
87
(iv)
42
:
28
::
84
:
56
(v)
40
:
26
::
160
:
78
Question
14
14.
Which of the following does not represent a proportion ?
(i)
12
:
9
::
48
:
36
(ii)
12
:
10
::
36
:
30
(iii)
5
:
4
::
10
:
12
(iv)
12
:
8
::
60
:
40
(v)
21
:
18
::
42
:
36
Question
15
15.
If
15
:
x
::
9
:
12
, find '
x
'
(i)
19
(ii)
21
(iii)
20
(iv)
22
(v)
18
Assignment Key
1) (iv)
2) (v)
3) (v)
4) (iv)
5) (ii)
6) (iv)
7) (iii)
8) (v)
9) (iv)
10) (ii)
11) (iii)
12) (iv)
13) (iv)
14) (iii)
15) (iii)