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 29.44 m/sec downstream and 17.62 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    24.53 m/sec
  • (ii)
    21.53 m/sec
  • (iii)
    25.53 m/sec
  • (iv)
    22.53 m/sec
  • (v)
    23.53 m/sec
Question 2
2.
A motor boat can travel at a speed of 23.24 m/sec downstream and 5.64 m/sec upstream. What is the speed of the stream?
  • (i)
    10.80 m/sec
  • (ii)
    6.80 m/sec
  • (iii)
    8.80 m/sec
  • (iv)
    7.80 m/sec
  • (v)
    9.80 m/sec
Question 3
3.
A motor boat can travel at a speed of 38.63 m/sec downstream and 28.01 m/sec upstream. How much distance can the boat travel in 12.18 sec in still water?
  • (i)
    407.84 m
  • (ii)
    406.84 m
  • (iii)
    405.84 m
  • (iv)
    403.84 m
  • (v)
    404.84 m
Question 4
4.
    • 2
    • men and
    • 3
    • women can do a piece of work in
    • 6
    • days.
    • 5
    • men and
    • 2
    • women can do the same work in
    • 9
    • days.
    • In how many days can
    • 3
    • men and
    • 4
    • women complete the same work?
  • (i)
    4
    1
    4
    days
  • (ii)
    3
    1
    2
    days
  • (iii)
    5
    1
    2
    days
  • (iv)
    5
    days
  • (v)
    4
    1
    2
    days
    Assignment Key
  •  1) (v)
  •  2) (iii)
  •  3) (iii)
  •  4) (v)