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 28.16 m/sec downstream and 11.14 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    20.65 m/sec
  • (ii)
    17.65 m/sec
  • (iii)
    19.65 m/sec
  • (iv)
    18.65 m/sec
  • (v)
    21.65 m/sec
Question 2
2.
A motor boat can travel at a speed of 28.61 m/sec downstream and 18.23 m/sec upstream. What is the speed of the stream?
  • (i)
    7.19 m/sec
  • (ii)
    6.19 m/sec
  • (iii)
    5.19 m/sec
  • (iv)
    4.19 m/sec
  • (v)
    3.19 m/sec
Question 3
3.
A motor boat can travel at a speed of 14.03 m/sec downstream and 2.35 m/sec upstream. How much distance can the boat travel in 34.48 sec in still water?
  • (i)
    284.39 m
  • (ii)
    281.39 m
  • (iii)
    283.39 m
  • (iv)
    280.39 m
  • (v)
    282.39 m
Question 4
4.
    • 16
    • men and
    • 5
    • women can do a piece of work in
    • 10
    • days.
    • 1
    • men and
    • 2
    • women can do the same work in
    • 100
    • days.
    • In how many days can
    • 3
    • men and
    • 3
    • women complete the same work?
  • (i)
    42
    6
    7
    days
  • (ii)
    42
    2
    3
    days
  • (iii)
    42
    4
    7
    days
  • (iv)
    43
    1
    7
    days
  • (v)
    43
    1
    5
    days
    Assignment Key
  •  1) (iii)
  •  2) (iii)
  •  3) (v)
  •  4) (i)