EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
5
men and
1
women can do a piece of work in
30
days.
3
men and
20
women can do the same work in
10
days.
In how many days can
4
men and
3
women complete the same work?
(i)
28
1
52
days
(ii)
28
1
50
days
(iii)
27
17
18
days
(iv)
27
49
52
days
(v)
27
51
52
days
Question
2
2.
A motor boat can travel at a speed of 23.73 m/sec downstream and 2.57 m/sec upstream. What is the speed of the motor boat in still water?
(i)
11.15 m/sec
(ii)
14.15 m/sec
(iii)
12.15 m/sec
(iv)
15.15 m/sec
(v)
13.15 m/sec
Question
3
3.
A motor boat can travel at a speed of 16.80 m/sec downstream and 9.78 m/sec upstream. What is the speed of the stream?
(i)
2.51 m/sec
(ii)
5.51 m/sec
(iii)
1.51 m/sec
(iv)
4.51 m/sec
(v)
3.51 m/sec
Question
4
4.
A motor boat can travel at a speed of 15.81 m/sec downstream and 4.75 m/sec upstream. How much distance can the boat travel in 44.98 sec in still water?
(i)
462.39 m
(ii)
461.39 m
(iii)
460.39 m
(iv)
463.39 m
(v)
464.39 m
Question
5
5.
A motor boat can travel at a speed of 26.09 m/sec downstream and 7.43 m/sec upstream. How much time will it take to cross a distance of 488.22 m in still water?
(i)
30.13 sec
(ii)
27.13 sec
(iii)
28.13 sec
(iv)
29.13 sec
(v)
31.13 sec
Assignment Key
1) (v)
2) (v)
3) (v)
4) (i)
5) (iv)