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 12.06 m/sec downstream and 3.52 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    5.79 m/sec
  • (ii)
    6.79 m/sec
  • (iii)
    8.79 m/sec
  • (iv)
    7.79 m/sec
  • (v)
    9.79 m/sec
Question 2
2.
A motor boat can travel at a speed of 22.64 m/sec downstream and 13.18 m/sec upstream. What is the speed of the stream?
  • (i)
    4.73 m/sec
  • (ii)
    3.73 m/sec
  • (iii)
    2.73 m/sec
  • (iv)
    6.73 m/sec
  • (v)
    5.73 m/sec
Question 3
3.
A motor boat can travel at a speed of 17.57 m/sec downstream and 12.31 m/sec upstream. How much distance can the boat travel in 20.68 sec in still water?
  • (i)
    307.96 m
  • (ii)
    310.96 m
  • (iii)
    309.96 m
  • (iv)
    306.96 m
  • (v)
    308.96 m
Question 4
4.
    • 1
    • men and
    • 1
    • women can do a piece of work in
    • 48
    • days.
    • 3
    • men and
    • 2
    • women can do the same work in
    • 20
    • days.
    • In how many days can
    • 4
    • men and
    • 4
    • women complete the same work?
  • (i)
    15
    days
  • (ii)
    9
    days
  • (iii)
    11
    days
  • (iv)
    13
    days
  • (v)
    12
    days
    Assignment Key
  •  1) (iv)
  •  2) (i)
  •  3) (v)
  •  4) (v)