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
15
:
10
and
9
:
20
(i)
298
(ii)
302
(iii)
300
(iv)
90
(v)
299
Question
2
2.
Find the product of extremes of
9
5
:
1
11
and
3
7
:
14
19
(i)
3
77
(ii)
124
95
(iii)
128
95
(iv)
126
95
(v)
42
31
Question
3
3.
Find the product of means of
16
:
19
and
11
:
19
(i)
209
(ii)
211
(iii)
206
(iv)
304
(v)
208
Question
4
4.
Find the product of means of
19
12
:
14
3
and
3
5
:
4
13
(i)
14
5
(ii)
14
3
(iii)
16
5
(iv)
12
5
(v)
19
39
Question
5
5.
Which of the ratios is proportional to 12 : 3?
(i)
32
:
5
(ii)
32
:
10
(iii)
31
:
8
(iv)
33
:
8
(v)
32
:
8
Question
6
6.
Find the missing value in the equation
____
:
1
=
182
:
7
(i)
27
(ii)
25
(iii)
23
(iv)
26
(v)
29
Question
7
7.
Find the missing value in the equation
24
:
____
=
30
:
5
(i)
7
(ii)
4
(iii)
5
(iv)
2
(v)
3
Question
8
8.
Find the missing value in the equation
28
:
7
=
____
:
2
(i)
8
(ii)
7
(iii)
9
(iv)
11
(v)
6
Question
9
9.
Find the missing value in the equation
54
:
9
=
18
:
____
(i)
0
(ii)
5
(iii)
4
(iv)
3
(v)
2
Question
10
10.
Find the number which bears the same ratio
to
1
2
that
5
9
does to
35
54
(i)
3
7
(ii)
5
7
(iii)
3
5
(iv)
1
7
(v)
1
3
Question
11
11.
If
a
:
b
::
c
:
d
,
then
(i)
abc = bcd
(ii)
ab = cd
(iii)
ac = bd
(iv)
ad = bc
Question
12
12.
The ratio 5 : 2 is proportional to which of the following ratios?
(i)
20
:
4
(ii)
15
:
6
(iii)
30
:
10
(iv)
25
:
12
(v)
10
:
8
Question
13
13.
Which of the following represents a proportion ?
(i)
42
:
34
::
126
:
68
(ii)
41
:
33
::
82
:
99
(iii)
39
:
31
::
117
:
124
(iv)
38
:
30
::
152
:
90
(v)
40
:
32
::
160
:
128
Question
14
14.
Which of the following does not represent a proportion ?
(i)
4
:
6
::
8
:
18
(ii)
9
:
15
::
36
:
60
(iii)
8
:
16
::
40
:
80
(iv)
10
:
14
::
30
:
42
(v)
18
:
24
::
36
:
48
Question
15
15.
If
x
:
9
::
30
:
15
, find '
x
'
(i)
19
(ii)
18
(iii)
16
(iv)
17
(v)
21
Assignment Key
1) (iii)
2) (iv)
3) (i)
4) (i)
5) (v)
6) (iv)
7) (ii)
8) (i)
9) (iv)
10) (i)
11) (iv)
12) (ii)
13) (v)
14) (i)
15) (ii)
