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 6.49 kmph and arrives 10.20 min late. The next day he walks at 8.79 kmph and reaches the school 2.40 min before time. What is the distance from his house to school?
(i)
3.20 km
(ii)
6.20 km
(iii)
4.20 km
(iv)
5.20 km
(v)
7.20 km
Question
2
2.
A student walks from his house to school at 5.41 kmph and arrives 1.00 min late. The next day he walks at 7.12 kmph and reaches the school 13.00 min before time. At what speed must he travel to reach the school on time?
(i)
4.51 kmph
(ii)
5.51 kmph
(iii)
6.51 kmph
(iv)
3.51 kmph
(v)
7.51 kmph
Question
3
3.
A train crosses a telegraph post in 42.12 sec and a bridge 760.66 m long in 64.86 sec. What is the length of the train?
(i)
1409.91 m
(ii)
1408.91 m
(iii)
1406.91 m
(iv)
1407.91 m
(v)
1410.91 m
Question
4
4.
A train crosses a telegraph post in 29.02 sec and a bridge 575.36 m long in 66.43 sec. What is the speed of the train?
(i)
14.38 m/sec
(ii)
17.38 m/sec
(iii)
13.38 m/sec
(iv)
16.38 m/sec
(v)
15.38 m/sec
Question
5
5.
A certain number of men can do a work in
12
days
.
If there were
30
men
less
,
it would take
24
days
more
to complete the work.
How many men are required to complete the work in
27
days
?
(i)
19
(ii)
20
(iii)
22
(iv)
17
(v)
21
Question
6
6.
Person P is
nine times
as good a workman as Person Q.
They can do a work together in
7
1
5
days
.
In how many days Q alone can do the work?
(i)
75
days
(ii)
73
days
(iii)
69
days
(iv)
71
days
(v)
72
days
Question
7
7.
What number must be added to each term of the ratio
20
:
150
to make it
19
:
32
?
(i)
172
(ii)
169
(iii)
170
(iv)
167
(v)
171
Question
8
8.
A ratio is equal to 49 : 15. If its antecendent is 1617, what is its consequent?
(i)
496
(ii)
497
(iii)
494
(iv)
492
(v)
495
Question
9
9.
A ratio is equal to 3 : 25. If its consequent is 13650, what is its antecendent?
(i)
1638
(ii)
1639
(iii)
1637
(iv)
1641
(v)
1636
Question
10
10.
Two numbers are in the ratio 3 : 12. If 14 is added to each number, the ratio becomes 19 : 55. Find the numbers.
(i)
27
:
108
(ii)
24
:
96
(iii)
18
:
72
(iv)
30
:
120
(v)
21
:
84
Question
11
11.
The ratio of two numbers is
1
:
2
and their LCM is 18. Find the numbers.
(i)
11
:
22
(ii)
8
:
16
(iii)
7
:
14
(iv)
9
:
18
(v)
10
:
20
Question
12
12.
Find the number which bears the same ratio
to
1
4
that
3
6
does to
3
16
(i)
2
3
(ii)
1
3
(iii)
1
2
(iv)
1
Question
13
13.
The ages of A and B are in the ratio 6 : 7. 10 years hence, their ages will be in the ratio 7 : 8. Find their present ages.
(i)
54
:
63
(ii)
60
:
70
(iii)
72
:
84
(iv)
48
:
56
Question
14
14.
The ages of A and B are in the ratio 5 : 9. 7 years ago, their ages were in the ratio 1 : 2. Find their present ages.
(i)
25
:
45
(ii)
35
:
63
(iii)
30
:
54
(iv)
45
:
81
Question
15
15.
In a mixture of
72
litres,
the ratio of milk and water is
3 : 1
.
How much water must be added
to this mixture to make the ratio
27 : 37
?
(i)
56
(ii)
55
(iii)
58
(iv)
57
(v)
53
Question
16
16.
The ratio of males to females in a committee of 210 members is 11 : 4. How many more ladies should be added to the committee so that the ratio of males to females is 77 : 73?
(i)
89
(ii)
91
(iii)
90
(iv)
87
(v)
92
Question
17
17.
In an examination, the ratio of passes to failures was 8 : 7.
Had 130 less appeared and 10 less passed, the ratio of passes to failures would have been 15 : 2.
How many students appeared for the examination?
(i)
295
(ii)
305
(iii)
290
(iv)
310
(v)
300
Question
18
18.
In a company, the number of engineers to managers is in the ratio 7 : 5 . After a year, when 15 engineers and 15 managers left, the ratio between engineers to managers is 25 : 17 . Find the number of engineers and managers at the beginning?
(i)
250
(ii)
260
(iii)
230
(iv)
220
(v)
240
Question
19
19.
Two angles of a triangle measure 55° and 68° respectively. Find the measure of the third angle of the triangle
(i)
56°
(ii)
58°
(iii)
59°
(iv)
55°
(v)
57°
Question
20
20.
The angles of a triangle ABC are in the ratio 1 : 2 : 3. Find the measure of each angle of the triangle
(i)
A
=
32°
,
B
=
60°
,
C
=
88°
(ii)
A
=
30°
,
B
=
60°
,
C
=
90°
(iii)
A
=
28°
,
B
=
60°
,
C
=
92°
(iv)
A
=
28°
,
B
=
62°
,
C
=
90°
(v)
A
=
30°
,
B
=
58°
,
C
=
92°
Question
21
21.
In △GHI, if ∠G = 57° and ∠H = 53°, find the measure of ∠I
(i)
I
=
69°
(ii)
I
=
68°
(iii)
I
=
72°
(iv)
I
=
71°
(v)
I
=
70°
Question
22
22.
In △DEF, if ∠D = 90° and ∠E = ∠F, find the measure of each of the equal angles of the triangle
(i)
46°
(ii)
44°
(iii)
45°
(iv)
43°
(v)
47°
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
=
46°
,
C
=
76°
(iii)
B
=
44°
,
C
=
74°
(iv)
B
=
47°
,
C
=
77°
(v)
B
=
45°
,
C
=
75°
Question
24
24.
In a right-angled triangle, the two acute angles are in the ratio 1 : 1. Find these angles.
(i)
A
=
45°
,
C
=
45°
(ii)
A
=
47°
,
C
=
47°
(iii)
A
=
46°
,
C
=
46°
(iv)
A
=
44°
,
C
=
44°
(v)
A
=
43°
,
C
=
43°
Question
25
25.
The speed of a motor boat is 10.27 m/sec and the speed of a stream is 4.81 m/sec. A & B are two location adjacent to a stream. If it takes 1204.91 sec to go from point A to B and come back, What is the distance between A and B?
(i)
4832.01 m
(ii)
4828.01 m
(iii)
4830.01 m
(iv)
4831.01 m
(v)
4829.01 m
Assignment Key
1) (iv)
2) (ii)
3) (ii)
4) (v)
5) (ii)
6) (v)
7) (iii)
8) (v)
9) (i)
10) (ii)
11) (iv)
12) (i)
13) (ii)
14) (ii)
15) (i)
16) (iii)
17) (v)
18) (v)
19) (v)
20) (ii)
21) (v)
22) (iii)
23) (v)
24) (i)
25) (iii)