EduSahara™ Assignment
Name : Word Problems on Linear Equations
Chapter : Simple Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
A student walks from his house to school at 2.06 kmph and arrives 40.50 min late. The next day he walks at 10.95 kmph and reaches the school 6.60 min before time. What is the distance from his house to school?
(i)
2.99 km
(ii)
9.99 km
(iii)
3.99 km
(iv)
1.99 km
(v)
0.99 km
Question
2
2.
A student walks from his house to school at 3.23 kmph and arrives 2.10 min late. The next day he walks at 7.12 kmph and reaches the school 26.20 min before time. At what speed must he travel to reach the school on time?
(i)
5.37 kmph
(ii)
4.37 kmph
(iii)
3.37 kmph
(iv)
2.37 kmph
(v)
1.37 kmph
Question
3
3.
A train crosses a telegraph post in 20.09 sec and a bridge 951.75 m long in 47.87 sec. What is the length of the train?
(i)
686.28 m
(ii)
690.28 m
(iii)
688.28 m
(iv)
687.28 m
(v)
689.28 m
Question
4
4.
A train crosses a telegraph post in 18.69 sec and a bridge 891.63 m long in 53.56 sec. What is the speed of the train?
(i)
26.57 m/sec
(ii)
27.57 m/sec
(iii)
24.57 m/sec
(iv)
25.57 m/sec
(v)
23.57 m/sec
Question
5
5.
A certain number of men can do a work in
10
days
.
If there were
12
men
less
,
it would take
4
days
more
to complete the work.
How many men are required to complete the work in
35
days
?
(i)
10
(ii)
12
(iii)
14
(iv)
13
(v)
11
Question
6
6.
Person P is
thrice
as good a workman as Person Q.
They can do a work together in
3
days
.
In how many days Q alone can do the work?
(i)
11
days
(ii)
12
days
(iii)
13
days
(iv)
14
days
(v)
10
days
Question
7
7.
What number must be added to each term of the ratio
80
:
120
to make it
7
:
8
?
(i)
198
(ii)
199
(iii)
200
(iv)
203
(v)
201
Question
8
8.
A ratio is equal to 7 : 9. If its antecendent is 2450, what is its consequent?
(i)
3148
(ii)
3153
(iii)
3151
(iv)
3150
(v)
3149
Question
9
9.
A ratio is equal to 14 : 5. If its consequent is 2520, what is its antecendent?
(i)
7058
(ii)
7057
(iii)
7053
(iv)
7056
(v)
7055
Question
10
10.
Two numbers are in the ratio 13 : 15. If 10 is added to each number, the ratio becomes 57 : 65. Find the numbers.
(i)
78
:
90
(ii)
91
:
105
(iii)
104
:
120
(iv)
117
:
135
(v)
130
:
150
Question
11
11.
The ratio of two numbers is
5
:
4
and their LCM is 160. Find the numbers.
(i)
45
:
36
(ii)
30
:
24
(iii)
35
:
28
(iv)
50
:
40
(v)
40
:
32
Question
12
12.
Find the number which bears the same ratio
to
2
7
that
2
4
does to
4
21
(i)
5
4
(ii)
1
4
(iii)
1
2
(iv)
3
2
(v)
3
4
Question
13
13.
The ages of A and B are in the ratio 3 : 4. 9 years hence, their ages will be in the ratio 7 : 9. Find their present ages.
(i)
60
:
80
(ii)
48
:
64
(iii)
54
:
72
(iv)
51
:
68
Question
14
14.
The ages of A and B are in the ratio 8 : 7. 5 years ago, their ages were in the ratio 7 : 6. Find their present ages.
(i)
32
:
28
(ii)
40
:
35
(iii)
24
:
21
(iv)
56
:
49
Question
15
15.
In a mixture of
117
litres,
the ratio of milk and water is
4 : 5
.
How much water must be added
to this mixture to make the ratio
52 : 113
?
(i)
49
(ii)
48
(iii)
51
(iv)
46
(v)
47
Question
16
16.
The ratio of males to females in a committee of 527 members is 14 : 17. How many more ladies should be added to the committee so that the ratio of males to females is 238 : 389?
(i)
99
(ii)
98
(iii)
103
(iv)
101
(v)
100
Question
17
17.
In an examination, the ratio of passes to failures was 7 : 5.
Had 80 less appeared and 20 less passed, the ratio of passes to failures would have been 3 : 1.
How many students appeared for the examination?
(i)
250
(ii)
240
(iii)
245
(iv)
230
(v)
235
Question
18
18.
In a company, the number of engineers to managers is in the ratio 5 : 1 . After a year, when 10 engineers and 20 managers left, the ratio between engineers to managers is 44 : 7 . Find the number of engineers and managers at the beginning?
(i)
560
(ii)
530
(iii)
550
(iv)
540
(v)
520
Question
19
19.
Two angles of a triangle measure 65° and 54° respectively. Find the measure of the third angle of the triangle
(i)
59°
(ii)
62°
(iii)
63°
(iv)
61°
(v)
60°
Question
20
20.
The angles of a triangle ABC are in the ratio 11 : 9 : 40. Find the measure of each angle of the triangle
(i)
A
=
33°
,
B
=
27°
,
C
=
120°
(ii)
A
=
35°
,
B
=
27°
,
C
=
118°
(iii)
A
=
33°
,
B
=
25°
,
C
=
122°
(iv)
A
=
31°
,
B
=
27°
,
C
=
122°
(v)
A
=
31°
,
B
=
29°
,
C
=
120°
Question
21
21.
In △DEF, if ∠D = 57° and ∠E = 51°, find the measure of ∠F
(i)
F
=
72°
(ii)
F
=
73°
(iii)
F
=
74°
(iv)
F
=
71°
(v)
F
=
70°
Question
22
22.
In △EFG, if ∠E = 70° and ∠F = ∠G, find the measure of each of the equal angles of the triangle
(i)
54°
(ii)
55°
(iii)
56°
(iv)
57°
(v)
53°
Question
23
23.
One angle of a triangle measures 60° and the other two angles are in the ratio 3 : 5. Find these angles.
(i)
B
=
43°
,
C
=
73°
(ii)
B
=
44°
,
C
=
74°
(iii)
B
=
45°
,
C
=
75°
(iv)
B
=
47°
,
C
=
77°
(v)
B
=
46°
,
C
=
76°
Question
24
24.
In a right-angled triangle, the two acute angles are in the ratio 7 : 11. Find these angles.
(i)
A
=
33°
,
C
=
53°
(ii)
A
=
35°
,
C
=
55°
(iii)
A
=
34°
,
C
=
54°
(iv)
A
=
37°
,
C
=
57°
(v)
A
=
36°
,
C
=
56°
Question
25
25.
The speed of a motor boat is 11.35 m/sec and the speed of a stream is 3.35 m/sec. A & B are two location adjacent to a stream. If it takes 813.03 sec to go from point A to B and come back, What is the distance between A and B?
(i)
4210.00 m
(ii)
4213.00 m
(iii)
4214.00 m
(iv)
4212.00 m
(v)
4211.00 m
Assignment Key
1) (iv)
2) (iii)
3) (iii)
4) (iv)
5) (ii)
6) (ii)
7) (iii)
8) (iv)
9) (iv)
10) (iii)
11) (v)
12) (v)
13) (iii)
14) (ii)
15) (ii)
16) (v)
17) (ii)
18) (iv)
19) (iv)
20) (i)
21) (i)
22) (ii)
23) (iii)
24) (ii)
25) (iv)