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 33.78 m/sec downstream and 6.44 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    22.11 m/sec
  • (ii)
    19.11 m/sec
  • (iii)
    21.11 m/sec
  • (iv)
    20.11 m/sec
  • (v)
    18.11 m/sec
Question 2
2.
A motor boat can travel at a speed of 22.24 m/sec downstream and 10.98 m/sec upstream. What is the speed of the stream?
  • (i)
    5.63 m/sec
  • (ii)
    7.63 m/sec
  • (iii)
    3.63 m/sec
  • (iv)
    4.63 m/sec
  • (v)
    6.63 m/sec
Question 3
3.
A motor boat can travel at a speed of 27.35 m/sec downstream and 4.37 m/sec upstream. How much distance can the boat travel in 15.08 sec in still water?
  • (i)
    238.17 m
  • (ii)
    240.17 m
  • (iii)
    239.17 m
  • (iv)
    241.17 m
  • (v)
    237.17 m
Question 4
4.
    • 4
    • men and
    • 15
    • women can do a piece of work in
    • 4
    • days.
    • 3
    • men and
    • 1
    • women can do the same work in
    • 16
    • days.
    • In how many days can
    • 4
    • men and
    • 2
    • women complete the same work?
  • (i)
    10
    4
    5
    days
  • (ii)
    10
    14
    17
    days
  • (iii)
    11
    1
    13
    days
  • (iv)
    10
    14
    15
    days
  • (v)
    11
    1
    15
    days
    Assignment Key
  •  1) (iv)
  •  2) (i)
  •  3) (iii)
  •  4) (iv)