EduSahara™ Assignment
Name : Word Problems on Simultaneous Linear Equations
Chapter : Simultaneous Linear Equations
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
    • 16
    • men and
    • 25
    • women can do a piece of work in
    • 3
    • days.
    • 3
    • men and
    • 20
    • women can do the same work in
    • 15
    • days.
    • In how many days can
    • 2
    • men and
    • 3
    • women complete the same work?
  • (i)
    24
    1

    49
    days
  • (ii)
    24
    1

    51
    days
  • (iii)
    24
    1

    53
    days
  • (iv)
    23
    50

    51
    days
  • (v)
    24
    1

    17
    days
Question 2
2.
A motor boat can travel at a speed of 47.80 m/sec downstream and 26.22 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    35.01 m/sec
  • (ii)
    36.01 m/sec
  • (iii)
    37.01 m/sec
  • (iv)
    38.01 m/sec
  • (v)
    39.01 m/sec
Question 3
3.
A motor boat can travel at a speed of 19.19 m/sec downstream and 12.23 m/sec upstream. What is the speed of the stream?
  • (i)
    3.48 m/sec
  • (ii)
    1.48 m/sec
  • (iii)
    2.48 m/sec
  • (iv)
    4.48 m/sec
  • (v)
    5.48 m/sec
Question 4
4.
A motor boat can travel at a speed of 14.27 m/sec downstream and 2.99 m/sec upstream. How much distance can the boat travel in 48.80 sec in still water?
  • (i)
    423.14 m
  • (ii)
    421.14 m
  • (iii)
    419.14 m
  • (iv)
    420.14 m
  • (v)
    422.14 m
Question 5
5.
A motor boat can travel at a speed of 29.93 m/sec downstream and 17.69 m/sec upstream. How much time will it take to cross a distance of 482.63 m in still water?
  • (i)
    20.27 sec
  • (ii)
    18.27 sec
  • (iii)
    19.27 sec
  • (iv)
    21.27 sec
  • (v)
    22.27 sec
    Assignment Key

  •  1) (ii)
  •  2) (iii)
  •  3) (i)
  •  4) (ii)
  •  5) (i)