EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
A motor boat can travel at a speed of 13.10 m/sec downstream and 0.10 m/sec upstream. What is the speed of the motor boat in still water?
(i)
8.60 m/sec
(ii)
4.60 m/sec
(iii)
6.60 m/sec
(iv)
5.60 m/sec
(v)
7.60 m/sec
Question
2
2.
A motor boat can travel at a speed of 13.58 m/sec downstream and 2.64 m/sec upstream. What is the speed of the stream?
(i)
3.47 m/sec
(ii)
6.47 m/sec
(iii)
5.47 m/sec
(iv)
7.47 m/sec
(v)
4.47 m/sec
Question
3
3.
A motor boat can travel at a speed of 15.61 m/sec downstream and 11.15 m/sec upstream. How much distance can the boat travel in 35.75 sec in still water?
(i)
476.34 m
(ii)
480.34 m
(iii)
477.34 m
(iv)
479.34 m
(v)
478.34 m
Question
4
4.
4
men and
3
women can do a piece of work in
20
days.
1
men and
2
women can do the same work in
50
days.
In how many days can
4
men and
2
women complete the same work?
(i)
22
10
11
days
(ii)
22
8
13
days
(iii)
22
6
11
days
(iv)
22
8
9
days
(v)
22
8
11
days
Assignment Key
1) (iii)
2) (iii)
3) (v)
4) (v)