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Q: A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

  • 1
    3 km/hr
  • 2
    6 km/hr
  • 3
    9 km/hr
  • 4
    12 km/hr
  • Show Answer
  • Workspace

Answer : 2. "6 km/hr"
Explanation :

let speed of boat is= x km/hour
and speed of stream=y km/hour
x+y=8
x-y=4
x=6 km/hour.

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