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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.
  • a)
    5 hours
  • b)
    4 hours
  • c)
    3 hours
  • d)
    2 hours
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A boat can travel with a speed of 22 km/hr in still water. If the spee...
Speed of the boat in still water = 22 km/hr

speed of the stream = 5 km/hr

Speed downstream = (22+5) = 27 km/hr

Distance travelled downstream = 54 km

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Most Upvoted Answer
A boat can travel with a speed of 22 km/hr in still water. If the spee...
Speed downstream = (22 + 5) km/hr = 27 km/hr.
Time taken to travel 54 km downstream = (54/27) hours
= 2 hours 
 
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Community Answer
A boat can travel with a speed of 22 km/hr in still water. If the spee...
Solution:

Given:
Speed of the boat in still water = 22 km/hr
Speed of the stream = 5 km/hr
Distance to be covered = 54 km

To find:
Time taken by the boat to go downstream

Formula:
Speed downstream = Speed of the boat in still water + Speed of the stream

Calculation:
Speed downstream = 22 km/hr + 5 km/hr = 27 km/hr

Time = Distance / Speed

Substituting the values:
Time = 54 km / 27 km/hr = 2 hours

Therefore, the time taken by the boat to go 54 km downstream is 2 hours. Hence, the correct answer is option D.
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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.a)5 hoursb)4 hoursc)3 hoursd)2 hoursCorrect answer is option 'D'. Can you explain this answer?
Question Description
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