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 5.90 kmph and arrives 26.10 min late. The next day he walks at 18.57 kmph and reaches the school 10.00 min before time. What is the distance from his house to school?
(i)
4.20 km
(ii)
6.20 km
(iii)
3.20 km
(iv)
5.20 km
(v)
7.20 km
Question
2
2.
A student walks from his house to school at 4.80 kmph and arrives 0.50 min late. The next day he walks at 7.10 kmph and reaches the school 16.50 min before time. At what speed must he travel to reach the school on time?
(i)
6.85 kmph
(ii)
2.85 kmph
(iii)
4.85 kmph
(iv)
5.85 kmph
(v)
3.85 kmph
Question
3
3.
A train crosses a telegraph post in 33.47 sec and a bridge 1169.83 m long in 68.06 sec. What is the length of the train?
(i)
1133.96 m
(ii)
1131.96 m
(iii)
1132.96 m
(iv)
1129.96 m
(v)
1130.96 m
Question
4
4.
A train crosses a telegraph post in 29.31 sec and a bridge 1876.63 m long in 71.51 sec. What is the speed of the train?
(i)
44.47 m/sec
(ii)
45.47 m/sec
(iii)
43.47 m/sec
(iv)
42.47 m/sec
(v)
46.47 m/sec
Question
5
5.
A certain number of men can do a work in
54
days
.
If there were
28
men
more
,
it would take
36
days
less
to complete the work.
How many men are required to complete the work in
12
days
?
(i)
63
(ii)
62
(iii)
64
(iv)
61
(v)
66
Question
6
6.
Person P is
ten times
as good a workman as Person Q.
They can do a work together in
4
6
11
days
.
In how many days Q alone can do the work?
(i)
52
days
(ii)
50
days
(iii)
47
days
(iv)
51
days
(v)
49
days
Question
7
7.
What number must be added to each term of the ratio
36
:
90
to make it
14
:
17
?
(i)
216
(ii)
217
(iii)
215
(iv)
213
(v)
218
Question
8
8.
A ratio is equal to 3 : 16. If its antecendent is 1260, what is its consequent?
(i)
6719
(ii)
6723
(iii)
6721
(iv)
6718
(v)
6720
Question
9
9.
A ratio is equal to 3 : 4. If its consequent is 6300, what is its antecendent?
(i)
4724
(ii)
4727
(iii)
4723
(iv)
4726
(v)
4725
Question
10
10.
Two numbers are in the ratio 1 : 2. If 16 is added to each number, the ratio becomes 23 : 30. Find the numbers.
(i)
6
:
12
(ii)
7
:
14
(iii)
8
:
16
(iv)
5
:
10
(v)
9
:
18
Question
11
11.
The ratio of two numbers is
1
:
3
and their LCM is 21. Find the numbers.
(i)
6
:
18
(ii)
5
:
15
(iii)
8
:
24
(iv)
7
:
21
(v)
9
:
27
Question
12
12.
Find the number which bears the same ratio
to
1
8
that
3
4
does to
13
96
(i)
9
13
(ii)
9
11
(iii)
3
5
(iv)
11
13
(v)
7
13
Question
13
13.
The ages of A and B are in the ratio 2 : 3. 5 years hence, their ages will be in the ratio 7 : 10. Find their present ages.
(i)
26
:
39
(ii)
28
:
42
(iii)
30
:
45
(iv)
34
:
51
Question
14
14.
The ages of A and B are in the ratio 7 : 10. 5 years ago, their ages were in the ratio 2 : 3. Find their present ages.
(i)
21
:
30
(ii)
28
:
40
(iii)
49
:
70
(iv)
35
:
50
Question
15
15.
In a mixture of
700
litres,
the ratio of milk and water is
17 : 18
.
How much water must be added
to this mixture to make the ratio
17 : 20
?
(i)
41
(ii)
43
(iii)
37
(iv)
39
(v)
40
Question
16
16.
The ratio of males to females in a committee of 143 members is 8 : 3. How many more ladies should be added to the committee so that the ratio of males to females is 104 : 79?
(i)
40
(ii)
38
(iii)
41
(iv)
39
(v)
43
Question
17
17.
In an examination, the ratio of passes to failures was 2 : 1.
Had 50 less appeared and 15 less passed, the ratio of passes to failures would have been 21 : 5.
How many students appeared for the examination?
(i)
180
(ii)
190
(iii)
185
(iv)
175
(v)
170
Question
18
18.
In a company, the number of engineers to managers is in the ratio 2 : 1 . After a year, when 15 engineers and 20 managers left, the ratio between engineers to managers is 9 : 2 . Find the number of engineers and managers at the beginning?
(i)
80
(ii)
70
(iii)
100
(iv)
90
(v)
110
Question
19
19.
Two angles of a triangle measure 55° and 57° respectively. Find the measure of the third angle of the triangle
(i)
68°
(ii)
69°
(iii)
67°
(iv)
66°
(v)
70°
Question
20
20.
The angles of a triangle ABC are in the ratio 11 : 6 : 28. Find the measure of each angle of the triangle
(i)
A
=
44°
,
B
=
24°
,
C
=
112°
(ii)
A
=
44°
,
B
=
22°
,
C
=
114°
(iii)
A
=
46°
,
B
=
24°
,
C
=
110°
(iv)
A
=
42°
,
B
=
26°
,
C
=
112°
(v)
A
=
42°
,
B
=
24°
,
C
=
114°
Question
21
21.
In △CDE, if ∠C = 56° and ∠D = 62°, find the measure of ∠E
(i)
E
=
63°
(ii)
E
=
64°
(iii)
E
=
60°
(iv)
E
=
62°
(v)
E
=
61°
Question
22
22.
In △IJK, if ∠I = 50° and ∠J = ∠K, find the measure of each of the equal angles of the triangle
(i)
67°
(ii)
65°
(iii)
63°
(iv)
64°
(v)
66°
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
=
46°
,
C
=
76°
(v)
B
=
47°
,
C
=
77°
Question
24
24.
In a right-angled triangle, the two acute angles are in the ratio 13 : 5. Find these angles.
(i)
A
=
66°
,
C
=
26°
(ii)
A
=
67°
,
C
=
27°
(iii)
A
=
65°
,
C
=
25°
(iv)
A
=
63°
,
C
=
23°
(v)
A
=
64°
,
C
=
24°
Question
25
25.
The speed of a motor boat is 19.81 m/sec and the speed of a stream is 14.81 m/sec. A & B are two location adjacent to a stream. If it takes 455.02 sec to go from point A to B and come back, What is the distance between A and B?
(i)
1986.98 m
(ii)
1989.98 m
(iii)
1987.98 m
(iv)
1988.98 m
(v)
1985.98 m
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (i)
5) (i)
6) (ii)
7) (i)
8) (v)
9) (v)
10) (ii)
11) (iv)
12) (i)
13) (iii)
14) (iv)
15) (v)
16) (i)
17) (i)
18) (iv)
19) (i)
20) (i)
21) (iv)
22) (ii)
23) (iii)
24) (iii)
25) (iii)