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)