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
20
:
10
and
20
:
5
(i)
97
(ii)
200
(iii)
99
(iv)
100
(v)
102
Question
2
2.
Find the product of extremes of
17
12
:
15
14
and
5
17
:
1
12
(i)
19
144
(ii)
75
238
(iii)
17
142
(iv)
5
48
(v)
17
144
Question
3
3.
Find the product of means of
4
:
13
and
3
:
1
(i)
42
(ii)
38
(iii)
4
(iv)
39
(v)
36
Question
4
4.
Find the product of means of
11
14
:
3
14
and
11
17
:
19
2
(i)
33
236
(ii)
33
238
(iii)
5
34
(iv)
209
28
(v)
31
238
Question
5
5.
Which of the ratios is proportional to 27 : 3?
(i)
26
:
3
(ii)
27
:
6
(iii)
28
:
3
(iv)
27
:
3
(v)
27
:
0
Question
6
6.
Find the missing value in the equation
____
:
1
=
40
:
4
(i)
9
(ii)
8
(iii)
12
(iv)
11
(v)
10
Question
7
7.
Find the missing value in the equation
12
:
____
=
36
:
9
(i)
4
(ii)
0
(iii)
6
(iv)
3
(v)
2
Question
8
8.
Find the missing value in the equation
40
:
10
=
____
:
5
(i)
19
(ii)
21
(iii)
22
(iv)
18
(v)
20
Question
9
9.
Find the missing value in the equation
18
:
3
=
18
:
____
(i)
2
(ii)
4
(iii)
6
(iv)
3
(v)
1
Question
10
10.
Find the number which bears the same ratio
to
2
7
that
4
5
does to
128
385
(i)
11
14
(ii)
11
18
(iii)
13
16
(iv)
11
16
(v)
9
16
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
ac = bd
(ii)
ab = cd
(iii)
ad = bc
(iv)
abc = bcd
Question
12
12.
The ratio 5 : 2 is proportional to which of the following ratios?
(i)
20
:
6
(ii)
30
:
12
(iii)
25
:
4
(iv)
15
:
8
(v)
10
:
10
Question
13
13.
Which of the following represents a proportion ?
(i)
33
:
49
::
66
:
147
(ii)
30
:
46
::
120
:
138
(iii)
31
:
47
::
93
:
188
(iv)
34
:
50
::
102
:
100
(v)
32
:
48
::
160
:
240
Question
14
14.
Which of the following does not represent a proportion ?
(i)
5
:
6
::
10
:
18
(ii)
21
:
24
::
42
:
48
(iii)
12
:
16
::
60
:
80
(iv)
12
:
15
::
48
:
60
(v)
12
:
14
::
36
:
42
Question
15
15.
If
12
:
18
::
16
:
x
, find '
x
'
(i)
26
(ii)
21
(iii)
25
(iv)
24
(v)
23
Assignment Key
1) (iv)
2) (v)
3) (iv)
4) (ii)
5) (iv)
6) (v)
7) (iv)
8) (v)
9) (iv)
10) (iv)
11) (iii)
12) (ii)
13) (v)
14) (i)
15) (iv)
