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 29.68 m/sec downstream and 22.72 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    28.20 m/sec
  • (ii)
    27.20 m/sec
  • (iii)
    26.20 m/sec
  • (iv)
    25.20 m/sec
  • (v)
    24.20 m/sec
Question 2
2.
A motor boat can travel at a speed of 27.61 m/sec downstream and 6.95 m/sec upstream. What is the speed of the stream?
  • (i)
    12.33 m/sec
  • (ii)
    9.33 m/sec
  • (iii)
    10.33 m/sec
  • (iv)
    8.33 m/sec
  • (v)
    11.33 m/sec
Question 3
3.
A motor boat can travel at a speed of 34.15 m/sec downstream and 20.11 m/sec upstream. How much distance can the boat travel in 12.98 sec in still water?
  • (i)
    350.15 m
  • (ii)
    351.15 m
  • (iii)
    352.15 m
  • (iv)
    354.15 m
  • (v)
    353.15 m
Question 4
4.
    • 5
    • men and
    • 1
    • women can do a piece of work in
    • 30
    • days.
    • 2
    • men and
    • 9
    • women can do the same work in
    • 10
    • days.
    • In how many days can
    • 3
    • men and
    • 2
    • women complete the same work?
  • (i)
    29
    9
    22
    days
  • (ii)
    29
    7
    22
    days
  • (iii)
    29
    7
    20
    days
  • (iv)
    29
    7
    24
    days
  • (v)
    29
    5
    22
    days
    Assignment Key
  •  1) (iii)
  •  2) (iii)
  •  3) (iii)
  •  4) (ii)