EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
2
men and
5
women can do a piece of work in
8
days.
5
men and
2
women can do the same work in
8
days.
In how many days can
4
men and
5
women complete the same work?
(i)
6
4
9
days
(ii)
6
2
11
days
(iii)
6
days
(iv)
6
2
7
days
(v)
6
2
9
days
Question
2
2.
A motor boat can travel at a speed of 46.35 m/sec downstream and 31.47 m/sec upstream. What is the speed of the motor boat in still water?
(i)
37.91 m/sec
(ii)
40.91 m/sec
(iii)
38.91 m/sec
(iv)
39.91 m/sec
(v)
36.91 m/sec
Question
3
3.
A motor boat can travel at a speed of 16.16 m/sec downstream and 7.94 m/sec upstream. What is the speed of the stream?
(i)
6.11 m/sec
(ii)
2.11 m/sec
(iii)
3.11 m/sec
(iv)
5.11 m/sec
(v)
4.11 m/sec
Question
4
4.
A motor boat can travel at a speed of 15.13 m/sec downstream and 4.47 m/sec upstream. How much distance can the boat travel in 49.17 sec in still water?
(i)
481.87 m
(ii)
483.87 m
(iii)
480.87 m
(iv)
482.87 m
(v)
479.87 m
Question
5
5.
A motor boat can travel at a speed of 21.73 m/sec downstream and 9.03 m/sec upstream. How much time will it take to cross a distance of 386.81 m in still water?
(i)
24.15 sec
(ii)
25.15 sec
(iii)
23.15 sec
(iv)
26.15 sec
(v)
27.15 sec
Assignment Key
1) (v)
2) (iii)
3) (v)
4) (i)
5) (ii)