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
5
:
16
and
9
:
20
(i)
144
(ii)
102
(iii)
97
(iv)
100
(v)
99
Question
2
2.
Find the product of extremes of
16
3
:
15
17
and
1
7
:
1
8
(i)
4
3
(ii)
15
119
(iii)
0
(iv)
2
(v)
2
3
Question
3
3.
Find the product of means of
9
:
13
and
19
:
12
(i)
108
(ii)
249
(iii)
247
(iv)
246
(v)
245
Question
4
4.
Find the product of means of
17
12
:
19
16
and
3
20
:
11
6
(i)
11
64
(ii)
187
72
(iii)
57
320
(iv)
59
320
(v)
19
106
Question
5
5.
Which of the ratios is proportional to 24 : 4?
(i)
19
:
3
(ii)
18
:
6
(iii)
18
:
3
(iv)
18
:
0
(v)
17
:
3
Question
6
6.
Find the missing value in the equation
____
:
1
=
24
:
6
(i)
4
(ii)
3
(iii)
7
(iv)
1
(v)
5
Question
7
7.
Find the missing value in the equation
3
:
____
=
9
:
3
(i)
4
(ii)
0
(iii)
(-1)
(iv)
1
(v)
2
Question
8
8.
Find the missing value in the equation
36
:
6
=
____
:
5
(i)
32
(ii)
30
(iii)
27
(iv)
29
(v)
31
Question
9
9.
Find the missing value in the equation
3
:
1
=
9
:
____
(i)
3
(ii)
2
(iii)
6
(iv)
4
(v)
0
Question
10
10.
Find the number which bears the same ratio
to
2
9
that
1
2
does to
5
27
(i)
1
(ii)
3
5
(iii)
3
7
(iv)
1
5
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
ac = bd
(ii)
ad = bc
(iii)
abc = bcd
(iv)
ab = cd
Question
12
12.
The ratio 5 : 3 is proportional to which of the following ratios?
(i)
10
:
15
(ii)
30
:
9
(iii)
15
:
18
(iv)
25
:
6
(v)
20
:
12
Question
13
13.
Which of the following represents a proportion ?
(i)
50
:
42
::
150
:
84
(ii)
47
:
39
::
141
:
156
(iii)
46
:
38
::
184
:
114
(iv)
49
:
41
::
98
:
123
(v)
48
:
40
::
96
:
80
Question
14
14.
Which of the following does not represent a proportion ?
(i)
15
:
9
::
60
:
36
(ii)
24
:
18
::
48
:
36
(iii)
6
:
4
::
12
:
12
(iv)
14
:
10
::
42
:
30
(v)
16
:
8
::
80
:
40
Question
15
15.
If
x
:
36
::
12
:
24
, find '
x
'
(i)
19
(ii)
16
(iii)
18
(iv)
17
(v)
20
Assignment Key
1) (iv)
2) (v)
3) (iii)
4) (iii)
5) (iii)
6) (i)
7) (iv)
8) (ii)
9) (i)
10) (ii)
11) (ii)
12) (v)
13) (v)
14) (iii)
15) (iii)
