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
14
:
5
and
9
:
16
(i)
227
(ii)
222
(iii)
224
(iv)
223
(v)
45
Question
2
2.
Find the product of extremes of
3
11
:
19
20
and
13
15
:
10
11
(i)
32
121
(ii)
30
121
(iii)
30
119
(iv)
247
300
(v)
28
121
Question
3
3.
Find the product of means of
18
:
12
and
8
:
4
(i)
95
(ii)
94
(iii)
72
(iv)
96
(v)
98
Question
4
4.
Find the product of means of
13
10
:
1
4
and
19
13
:
17
5
(i)
17
52
(ii)
19
50
(iii)
19
52
(iv)
221
50
(v)
21
52
Question
5
5.
Which of the ratios is proportional to 24 : 6?
(i)
35
:
9
(ii)
36
:
11
(iii)
36
:
9
(iv)
37
:
9
(v)
36
:
7
Question
6
6.
Find the missing value in the equation
____
:
2
=
28
:
7
(i)
11
(ii)
6
(iii)
7
(iv)
8
(v)
9
Question
7
7.
Find the missing value in the equation
12
:
____
=
36
:
9
(i)
6
(ii)
2
(iii)
3
(iv)
4
(v)
0
Question
8
8.
Find the missing value in the equation
2
:
1
=
____
:
7
(i)
11
(ii)
15
(iii)
17
(iv)
13
(v)
14
Question
9
9.
Find the missing value in the equation
36
:
6
=
30
:
____
(i)
8
(ii)
5
(iii)
4
(iv)
3
(v)
6
Question
10
10.
Find the number which bears the same ratio
to
6
8
that
1
2
does to
5
4
(i)
1
2
(ii)
1
10
(iii)
1
4
(iv)
3
10
(v)
3
8
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 4 : 2 is proportional to which of the following ratios?
(i)
24
:
4
(ii)
20
:
10
(iii)
8
:
12
(iv)
12
:
8
(v)
16
:
6
Question
13
13.
Which of the following represents a proportion ?
(i)
49
:
33
::
98
:
99
(ii)
47
:
31
::
141
:
124
(iii)
48
:
32
::
96
:
64
(iv)
46
:
30
::
184
:
90
(v)
50
:
34
::
150
:
68
Question
14
14.
Which of the following does not represent a proportion ?
(i)
14
:
12
::
42
:
36
(ii)
15
:
12
::
60
:
48
(iii)
6
:
5
::
12
:
15
(iv)
16
:
12
::
80
:
60
(v)
24
:
21
::
48
:
42
Question
15
15.
If
x
:
30
::
18
:
15
, find '
x
'
(i)
37
(ii)
34
(iii)
39
(iv)
36
(v)
35
Assignment Key
1) (iii)
2) (ii)
3) (iv)
4) (iii)
5) (iii)
6) (iv)
7) (iii)
8) (v)
9) (ii)
10) (iv)
11) (ii)
12) (ii)
13) (iii)
14) (iii)
15) (iv)