EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Ratio and Proportion
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
If
A
9
=
B
3
=
C
5
,
find A : B : C
(i)
9
:
6
:
5
(ii)
9
:
0
:
5
(iii)
10
:
3
:
5
(iv)
8
:
3
:
5
(v)
9
:
3
:
5
Question
2
2.
Find the missing value in the equation
33
:
1
=
99
:
____
(i)
5
(ii)
0
(iii)
3
(iv)
4
(v)
2
Question
3
3.
What number must be added to each term of the ratio
36
:
54
to make it
14
:
15
?
(i)
217
(ii)
213
(iii)
218
(iv)
215
(v)
216
Question
4
4.
A box contains 52 pens and 182 pencils. The ratio of pencils to the total stationary items =
(i)
8
:
9
(ii)
7
:
9
(iii)
6
:
9
(iv)
7
:
12
(v)
7
:
7
Question
5
5.
In a mixture of
306
litres,
the ratio of milk and water is
8 : 9
.
How much water must be added
to this mixture to make the ratio
8 : 11
?
(i)
38
(ii)
37
(iii)
35
(iv)
33
(v)
36
Question
6
6.
A box contains 793 fruits of 3 types. There are 61 mangoes and 305 apples. The number of oranges in the box =
(i)
429
(ii)
426
(iii)
427
(iv)
428
(v)
425
Question
7
7.
A ratio is equal to 21 : 25. If its antecendent is 420, what is its consequent?
(i)
500
(ii)
499
(iii)
498
(iv)
501
(v)
502
Question
8
8.
If a : b =
18
40
:
6
19
and b : c =
8
24
:
16
22
,
then a : b : c =
(i)
3
22
:
2
19
:
48
209
(ii)
3
20
:
0
:
48
209
(iii)
3
20
:
2
19
:
48
209
(iv)
1
6
:
2
19
:
48
209
(v)
3
20
:
4
19
:
48
209
Question
9
9.
Find the missing value in the equation
2
:
1
=
____
:
8
(i)
17
(ii)
19
(iii)
15
(iv)
14
(v)
16
Question
10
10.
Which of the ratios is proportional to 16 : 4?
(i)
35
:
9
(ii)
37
:
9
(iii)
36
:
9
(iv)
36
:
6
(v)
36
:
12
Question
11
11.
Find the fourth proportional of
36
,
6
and
18
(i)
6
(ii)
3
(iii)
1
(iv)
18
Question
12
12.
The ratio of two numbers is
2
:
5
and their LCM is 140. Find the numbers.
(i)
24
:
60
(ii)
26
:
65
(iii)
28
:
70
(iv)
32
:
80
(v)
30
:
75
Question
13
13.
Divide 15054 in the ratio 26 : 13
(i)
10037 , 5018
(ii)
10036 , 5016
(iii)
10035 , 5018
(iv)
10036 , 5018
(v)
10036 , 5020
Question
14
14.
Find the product of extremes of
13
10
:
18
13
and
19
17
:
5
18
(i)
13
34
(ii)
11
36
(iii)
5
12
(iv)
13
36
(v)
342
221
Question
15
15.
If a : b =
3
:
7
, b : c =
1
:
3
and c : d =
1
:
2
,
then a : b : c : d =
(i)
3
:
9
:
21
:
42
(ii)
3
:
4
:
21
:
42
(iii)
4
:
7
:
21
:
42
(iv)
2
:
7
:
21
:
42
(v)
3
:
7
:
21
:
42
Question
16
16.
A box contains 244 mangoes, 183 apples and 305 oranges. The ratio of mangoes to the total fruits =
(i)
1
:
0
(ii)
1
:
5
(iii)
1
:
3
(iv)
0
:
3
(v)
2
:
3
Question
17
17.
An employer reduces the number of
employees in the ratio of
9 : 4
and increases their wages
in the ratio
1 : 3
.
In what ratio, the wage bill is increased or decreased?
(i)
3
:
7
(ii)
2
:
4
(iii)
3
:
4
(iv)
3
:
2
Question
18
18.
A man reduces his weight in the ratio 20 : 10. What is his weight now, if originally he was 85 kg ?
(i)
87
2
kg
(ii)
89
2
kg
(iii)
43
kg
(iv)
85
2
kg
Question
19
19.
Find the third proportional of
72
and
12
(i)
72
(ii)
144
(iii)
0
(iv)
2
(v)
12
Question
20
20.
In an examination, the ratio of passes to failures was 4 : 3.
Had 180 less appeared and 5 less passed, the ratio of passes to failures would have been 63 : 13.
How many students appeared for the examination?
(i)
560
(ii)
555
(iii)
550
(iv)
565
(v)
570
Question
21
21.
Divide 23100 in the ratio 17 : 24 : 25
(i)
5950 , 8398 , 8750
(ii)
5950 , 8403 , 8750
(iii)
5951 , 8400 , 8750
(iv)
5949 , 8400 , 8750
(v)
5950 , 8400 , 8750
Question
22
22.
A box contains 104 stationary items of 2 types. The pens and pencils are in the ratio 2 : 6. The number of pens in the box =
(i)
25
(ii)
24
(iii)
26
(iv)
27
(v)
29
Question
23
23.
An office contains 1587 employees of 4 types. The managers, team leaders, developers and testers are in the ratio 6 : 7 : 3 : 7. The number of managers in the office =
(i)
417
(ii)
413
(iii)
414
(iv)
412
(v)
415
Question
24
24.
The ratio of males to females in a committee of 165 members is 3 : 8. How many more ladies should be added to the committee so that the ratio of males to females is 9 : 40?
(i)
79
(ii)
82
(iii)
77
(iv)
80
(v)
81
Question
25
25.
Find the ratio between 2 months and 3 years 7 months
(i)
2
:
40
(ii)
1
:
43
(iii)
2
:
43
(iv)
2
:
46
Assignment Key
1) (v)
2) (iii)
3) (v)
4) (ii)
5) (v)
6) (iii)
7) (i)
8) (iii)
9) (v)
10) (iii)
11) (ii)
12) (iii)
13) (iv)
14) (iv)
15) (v)
16) (iii)
17) (iii)
18) (iv)
19) (iv)
20) (i)
21) (v)
22) (iii)
23) (iii)
24) (iv)
25) (iii)