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
18
:
12
and
13
:
8
(i)
142
(ii)
156
(iii)
146
(iv)
144
(v)
143
Question
2
2.
Find the product of extremes of
16
11
:
9
17
and
20
9
:
3
8
(i)
20
17
(ii)
8
11
(iii)
2
3
(iv)
4
11
(v)
6
11
Question
3
3.
Find the product of means of
19
:
5
and
6
:
16
(i)
28
(ii)
29
(iii)
304
(iv)
30
(v)
32
Question
4
4.
Find the product of means of
5
16
:
17
8
and
17
4
:
16
13
(i)
289
30
(ii)
287
32
(iii)
289
32
(iv)
291
32
(v)
5
13
Question
5
5.
Which of the ratios is proportional to 30 : 5?
(i)
36
:
6
(ii)
35
:
6
(iii)
36
:
8
(iv)
37
:
6
(v)
36
:
3
Question
6
6.
Find the missing value in the equation
____
:
1
=
117
:
3
(i)
41
(ii)
39
(iii)
40
(iv)
36
(v)
38
Question
7
7.
Find the missing value in the equation
57
:
____
=
285
:
5
(i)
2
(ii)
0
(iii)
3
(iv)
1
(v)
(-1)
Question
8
8.
Find the missing value in the equation
12
:
3
=
____
:
5
(i)
20
(ii)
22
(iii)
21
(iv)
17
(v)
19
Question
9
9.
Find the missing value in the equation
8
:
2
=
16
:
____
(i)
3
(ii)
2
(iii)
5
(iv)
4
(v)
6
Question
10
10.
Find the number which bears the same ratio
to
2
4
that
1
3
does to
2
3
(i)
1
4
(ii)
1
2
(iii)
(
-1
4
)
(iv)
3
4
(v)
1
6
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 2 : 3 is proportional to which of the following ratios?
(i)
6
:
12
(ii)
4
:
15
(iii)
10
:
6
(iv)
12
:
18
(v)
8
:
9
Question
13
13.
Which of the following represents a proportion ?
(i)
35
:
23
::
105
:
92
(ii)
36
:
24
::
180
:
120
(iii)
38
:
26
::
114
:
52
(iv)
37
:
25
::
74
:
75
(v)
34
:
22
::
136
:
66
Question
14
14.
Which of the following does not represent a proportion ?
(i)
18
:
24
::
36
:
48
(ii)
8
:
16
::
40
:
80
(iii)
9
:
15
::
36
:
60
(iv)
10
:
14
::
30
:
42
(v)
4
:
6
::
8
:
18
Question
15
15.
If
20
:
x
::
12
:
18
, find '
x
'
(i)
29
(ii)
31
(iii)
27
(iv)
33
(v)
30
Assignment Key
1) (iv)
2) (v)
3) (iv)
4) (iii)
5) (i)
6) (ii)
7) (iv)
8) (i)
9) (iv)
10) (i)
11) (ii)
12) (iv)
13) (ii)
14) (v)
15) (v)
