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 65.52 m/sec downstream and 7.56 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    34.54 m/sec
  • (ii)
    36.54 m/sec
  • (iii)
    35.54 m/sec
  • (iv)
    38.54 m/sec
  • (v)
    37.54 m/sec
Question 2
2.
A motor boat can travel at a speed of 9.64 m/sec downstream and 1.14 m/sec upstream. What is the speed of the stream?
  • (i)
    5.25 m/sec
  • (ii)
    3.25 m/sec
  • (iii)
    6.25 m/sec
  • (iv)
    4.25 m/sec
  • (v)
    2.25 m/sec
Question 3
3.
A motor boat can travel at a speed of 9.65 m/sec downstream and 0.49 m/sec upstream. How much distance can the boat travel in 44.68 sec in still water?
  • (i)
    224.53 m
  • (ii)
    226.53 m
  • (iii)
    225.53 m
  • (iv)
    227.53 m
  • (v)
    228.53 m
Question 4
4.
    • 1
    • men and
    • 3
    • women can do a piece of work in
    • 16
    • days.
    • 5
    • men and
    • 2
    • women can do the same work in
    • 12
    • days.
    • In how many days can
    • 4
    • men and
    • 2
    • women complete the same work?
  • (i)
    13
    15
    23
    days
  • (ii)
    13
    13
    23
    days
  • (iii)
    13
    13
    25
    days
  • (iv)
    13
    13
    21
    days
  • (v)
    13
    11
    23
    days
    Assignment Key
  •  1) (ii)
  •  2) (iv)
  •  3) (ii)
  •  4) (ii)