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A boat can travel with a speed of 22 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54…

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A boat can travel with a speed of 22 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream
  • A5 hours
  • B4 hours
  • C3 hours
  • D2 hours
Correct answer: D
0
CCommunity
2 hours

NA
0
CCommunity
Solution:

Given: Speed of a boat in still water = 22 km/hr

Speed of the stream = 5 km/hr

Speed of the boat to go downstream = 22 + 5 = 27 km/hr

Distance to be travelled downstream = 54 km

So, Required time = Distance / Speed

T = 54 km / 27 km/hr

T = 2 hours

So, the required time is 2 hours.

The correct option is D). 2 hours