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 51.42 m/sec downstream and 11.10 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    33.26 m/sec
  • (ii)
    31.26 m/sec
  • (iii)
    30.26 m/sec
  • (iv)
    32.26 m/sec
  • (v)
    29.26 m/sec
Question 2
2.
A motor boat can travel at a speed of 32.00 m/sec downstream and 27.42 m/sec upstream. What is the speed of the stream?
  • (i)
    1.29 m/sec
  • (ii)
    0.29 m/sec
  • (iii)
    4.29 m/sec
  • (iv)
    3.29 m/sec
  • (v)
    2.29 m/sec
Question 3
3.
A motor boat can travel at a speed of 50.76 m/sec downstream and 34.32 m/sec upstream. How much distance can the boat travel in 11.70 sec in still water?
  • (i)
    495.72 m
  • (ii)
    497.72 m
  • (iii)
    498.72 m
  • (iv)
    499.72 m
  • (v)
    496.72 m
Question 4
4.
    • 5
    • men and
    • 6
    • women can do a piece of work in
    • 8
    • days.
    • 3
    • men and
    • 5
    • women can do the same work in
    • 12
    • days.
    • In how many days can
    • 5
    • men and
    • 2
    • women complete the same work?
  • (i)
    9
    15
    19
    days
  • (ii)
    9
    13
    17
    days
  • (iii)
    10
    days
  • (iv)
    9
    15
    17
    days
    Assignment Key
  •  1) (ii)
  •  2) (v)
  •  3) (ii)
  •  4) (iv)