EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Ratio and Proportion
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Two numbers are in the ratio 2 : 1 and their difference is 26. Find the numbers.
(i)
52,26
(ii)
52,23
(iii)
53,26
(iv)
52,29
(v)
51,26
Question
2
2.
Which of the following is true?
(i)
3
:
2
>
7
:
3
(ii)
8
:
7
>
5
:
3
(iii)
7
:
3
<
6
:
5
(iv)
4
:
3
>
3
:
2
(v)
6
:
5
>
8
:
7
Question
3
3.
If
a
:
b
::
c
:
d
,
then
(i)
ab = cd
(ii)
abc = bcd
(iii)
ac = bd
(iv)
ad = bc
Question
4
4.
Find the fourth proportional of
18
,
3
and
18
(i)
0
(ii)
18
(iii)
5
(iv)
3
Question
5
5.
The fraction equivalent of the ratio
61
:
96
=
(i)
61
96
(ii)
21
32
(iii)
96
61
(iv)
59
96
(v)
61
94
Question
6
6.
Find the product of extremes of
6
:
2
and
19
:
3
(i)
21
(ii)
15
(iii)
17
(iv)
18
(v)
38
Question
7
7.
If
9
:
18
::
x
:
30
, find '
x
'
(i)
15
(ii)
13
(iii)
18
(iv)
16
(v)
14
Question
8
8.
The antecendent in the ratio
5
:
6
=
(i)
6
(ii)
8
(iii)
5
(iv)
3
(v)
4
Question
9
9.
Find the ratio between 10 m and 9 km
(i)
1
:
898
(ii)
1
:
903
(iii)
1
:
900
(iv)
0
:
900
Question
10
10.
Find the mean proportional between
√
3
and
9
√
3
(i)
3
√
3
(ii)
3
4
√
3
(iii)
9
(iv)
3
√
5
(v)
3
√
1
3
Question
11
11.
Find the ratio between 5 months and 7 years
(i)
5
:
84
(ii)
5
:
87
(iii)
5
:
81
(iv)
4
:
84
Question
12
12.
If a : b =
1
:
3
and b : c =
5
:
12
,
then a : b : c =
(i)
5
:
15
:
36
(ii)
4
:
15
:
36
(iii)
6
:
15
:
36
(iv)
5
:
17
:
36
(v)
5
:
12
:
36
Question
13
13.
Find two numbers whose mean proportional is
10
and third proportional is
625
4
(i)
6
and
25
(ii)
4
and
25
(iii)
4
and
23
(iv)
5
and
25
(v)
4
and
24
Question
14
14.
Divide 328 in the ratio
2
9
:
2
3
(i)
82 , 248
(ii)
82 , 246
(iii)
81 , 246
(iv)
83 , 246
(v)
82 , 243
Question
15
15.
Divide 23296 in the ratio 35 : 19 : 37
(i)
8961 , 4864 , 9472
(ii)
8960 , 4866 , 9472
(iii)
8960 , 4862 , 9472
(iv)
8959 , 4864 , 9472
(v)
8960 , 4864 , 9472
Question
16
16.
Divide 7840 in the ratio 17 : 20 : 19
(i)
2380 , 2800 , 2660
(ii)
2379 , 2800 , 2660
(iii)
2380 , 2803 , 2660
(iv)
2380 , 2797 , 2660
(v)
2381 , 2800 , 2660
Question
17
17.
Find the fourth proportional of 36, 30, 18
(i)
16
(ii)
15
(iii)
14
(iv)
18
(v)
13
Question
18
18.
Find the missing value in the equation
____
:
9
=
32
:
8
(i)
36
(ii)
33
(iii)
37
(iv)
38
(v)
35
Question
19
19.
Increase
649
in the ratio
11 : 18
(i)
1060
(ii)
1063
(iii)
1065
(iv)
1062
(v)
1061
Question
20
20.
The consequent in the ratio
10
:
1
=
(i)
10
(ii)
8
(iii)
0
(iv)
1
(v)
4
Question
21
21.
Find the third proportional of
27
and
9
(i)
1
(ii)
27
(iii)
81
(iv)
3
(v)
9
Question
22
22.
Find the third proportional of 8 and 8
(i)
11
(ii)
7
(iii)
8
(iv)
9
(v)
5
Question
23
23.
A man reduces his weight in the ratio 19 : 11. What is his weight now, if originally he was 62 kg ?
(i)
720
19
kg
(ii)
36
kg
(iii)
683
19
kg
(iv)
701
19
kg
(v)
682
19
kg
Question
24
24.
Find the mean proportional of
8
and
2
(i)
2
(ii)
1
(iii)
8
(iv)
4
(v)
16
Question
25
25.
If a : b =
8
11
:
8
19
and b : c =
7
12
:
5
6
,
then a : b : c =
(i)
2
5
:
14
57
:
20
57
(ii)
14
33
:
16
57
:
20
57
(iii)
14
33
:
14
57
:
20
57
(iv)
14
33
:
4
19
:
20
57
(v)
14
31
:
14
57
:
20
57
Assignment Key
1) (i)
2) (v)
3) (iv)
4) (iv)
5) (i)
6) (iv)
7) (i)
8) (iii)
9) (iii)
10) (i)
11) (i)
12) (i)
13) (ii)
14) (ii)
15) (v)
16) (i)
17) (ii)
18) (i)
19) (iv)
20) (iv)
21) (iv)
22) (iii)
23) (v)
24) (iv)
25) (iii)
