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 15.17 m/sec downstream and 4.73 m/sec upstream. What is the speed of the motor boat in still water?
(i)
7.95 m/sec
(ii)
8.95 m/sec
(iii)
10.95 m/sec
(iv)
9.95 m/sec
(v)
11.95 m/sec
Question
2
2.
A motor boat can travel at a speed of 35.21 m/sec downstream and 13.19 m/sec upstream. What is the speed of the stream?
(i)
9.01 m/sec
(ii)
11.01 m/sec
(iii)
13.01 m/sec
(iv)
10.01 m/sec
(v)
12.01 m/sec
Question
3
3.
A motor boat can travel at a speed of 16.76 m/sec downstream and 4.24 m/sec upstream. How much distance can the boat travel in 43.02 sec in still water?
(i)
452.71 m
(ii)
453.71 m
(iii)
450.71 m
(iv)
451.71 m
(v)
449.71 m
Question
4
4.
1
men and
3
women can do a piece of work in
20
days.
3
men and
2
women can do the same work in
8
days.
In how many days can
2
men and
2
women complete the same work?
(i)
13
days
(ii)
12
1
3
days
(iii)
11
2
5
days
(iv)
11
days
(v)
11
2
3
days
Assignment Key
1) (iv)
2) (ii)
3) (iv)
4) (v)