EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
16
men and
25
women can do a piece of work in
3
days.
3
men and
20
women can do the same work in
15
days.
In how many days can
2
men and
3
women complete the same work?
(i)
24
1
49
days
(ii)
24
1
51
days
(iii)
24
1
53
days
(iv)
23
50
51
days
(v)
24
1
17
days
Question
2
2.
A motor boat can travel at a speed of 47.80 m/sec downstream and 26.22 m/sec upstream. What is the speed of the motor boat in still water?
(i)
35.01 m/sec
(ii)
36.01 m/sec
(iii)
37.01 m/sec
(iv)
38.01 m/sec
(v)
39.01 m/sec
Question
3
3.
A motor boat can travel at a speed of 19.19 m/sec downstream and 12.23 m/sec upstream. What is the speed of the stream?
(i)
3.48 m/sec
(ii)
1.48 m/sec
(iii)
2.48 m/sec
(iv)
4.48 m/sec
(v)
5.48 m/sec
Question
4
4.
A motor boat can travel at a speed of 14.27 m/sec downstream and 2.99 m/sec upstream. How much distance can the boat travel in 48.80 sec in still water?
(i)
423.14 m
(ii)
421.14 m
(iii)
419.14 m
(iv)
420.14 m
(v)
422.14 m
Question
5
5.
A motor boat can travel at a speed of 29.93 m/sec downstream and 17.69 m/sec upstream. How much time will it take to cross a distance of 482.63 m in still water?
(i)
20.27 sec
(ii)
18.27 sec
(iii)
19.27 sec
(iv)
21.27 sec
(v)
22.27 sec
Assignment Key
1) (ii)
2) (iii)
3) (i)
4) (ii)
5) (i)