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
10
:
1
and
8
:
1
(i)
10
(ii)
12
(iii)
8
(iv)
9
(v)
7
Question
2
2.
Find the product of extremes of
20
7
:
9
17
and
19
17
:
17
16
(i)
85
28
(ii)
87
28
(iii)
83
28
(iv)
171
289
(v)
85
26
Question
3
3.
Find the product of means of
13
:
7
and
5
:
19
(i)
35
(ii)
37
(iii)
32
(iv)
247
(v)
34
Question
4
4.
Find the product of means of
14
9
:
3
11
and
11
4
:
16
17
(i)
1
4
(ii)
5
4
(iii)
3
2
(iv)
3
4
(v)
224
153
Question
5
5.
Which of the ratios is proportional to 32 : 8?
(i)
12
:
0
(ii)
12
:
5
(iii)
11
:
3
(iv)
13
:
3
(v)
12
:
3
Question
6
6.
Find the missing value in the equation
____
:
8
=
20
:
5
(i)
31
(ii)
33
(iii)
29
(iv)
34
(v)
32
Question
7
7.
Find the missing value in the equation
38
:
____
=
76
:
2
(i)
(-1)
(ii)
0
(iii)
1
(iv)
2
(v)
3
Question
8
8.
Find the missing value in the equation
45
:
5
=
____
:
3
(i)
28
(ii)
30
(iii)
24
(iv)
26
(v)
27
Question
9
9.
Find the missing value in the equation
22
:
1
=
88
:
____
(i)
3
(ii)
5
(iii)
2
(iv)
4
(v)
7
Question
10
10.
Find the number which bears the same ratio
to
5
6
that
4
5
does to
38
15
(i)
5
21
(ii)
5
19
(iii)
3
19
(iv)
5
17
(v)
7
19
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
abc = bcd
(ii)
ad = bc
(iii)
ab = cd
(iv)
ac = bd
Question
12
12.
The ratio 3 : 2 is proportional to which of the following ratios?
(i)
6
:
10
(ii)
15
:
4
(iii)
18
:
6
(iv)
12
:
8
(v)
9
:
12
Question
13
13.
Which of the following represents a proportion ?
(i)
23
:
35
::
69
:
140
(ii)
24
:
36
::
72
:
108
(iii)
25
:
37
::
50
:
111
(iv)
22
:
34
::
88
:
102
(v)
26
:
38
::
78
:
76
Question
14
14.
Which of the following does not represent a proportion ?
(i)
21
:
24
::
42
:
48
(ii)
5
:
6
::
10
:
18
(iii)
12
:
15
::
48
:
60
(iv)
12
:
14
::
36
:
42
(v)
12
:
16
::
60
:
80
Question
15
15.
If
15
:
x
::
18
:
36
, find '
x
'
(i)
29
(ii)
32
(iii)
31
(iv)
30
(v)
28
Assignment Key
1) (i)
2) (i)
3) (i)
4) (iv)
5) (v)
6) (v)
7) (iii)
8) (v)
9) (iv)
10) (ii)
11) (ii)
12) (iv)
13) (ii)
14) (ii)
15) (iv)
