EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
8
men and
1
women can do a piece of work in
50
days.
2
men and
3
women can do the same work in
20
days.
In how many days can
5
men and
3
women complete the same work?
(i)
19
53
113
days
(ii)
19
55
113
days
(iii)
19
51
113
days
(iv)
19
53
115
days
(v)
19
53
111
days
Question
2
2.
A motor boat can travel at a speed of 24.61 m/sec downstream and 6.13 m/sec upstream. What is the speed of the motor boat in still water?
(i)
17.37 m/sec
(ii)
13.37 m/sec
(iii)
16.37 m/sec
(iv)
15.37 m/sec
(v)
14.37 m/sec
Question
3
3.
A motor boat can travel at a speed of 32.10 m/sec downstream and 4.08 m/sec upstream. What is the speed of the stream?
(i)
12.01 m/sec
(ii)
16.01 m/sec
(iii)
13.01 m/sec
(iv)
15.01 m/sec
(v)
14.01 m/sec
Question
4
4.
A motor boat can travel at a speed of 23.82 m/sec downstream and 8.88 m/sec upstream. How much distance can the boat travel in 12.91 sec in still water?
(i)
213.08 m
(ii)
211.08 m
(iii)
209.08 m
(iv)
212.08 m
(v)
210.08 m
Question
5
5.
A motor boat can travel at a speed of 23.58 m/sec downstream and 8.74 m/sec upstream. How much time will it take to cross a distance of 371.20 m in still water?
(i)
21.97 sec
(ii)
22.97 sec
(iii)
23.97 sec
(iv)
20.97 sec
(v)
24.97 sec
Assignment Key
1) (i)
2) (iv)
3) (v)
4) (ii)
5) (ii)