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)