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Grade: 10
        
A boat moves down stream a certain distance in a river. If the river were not flowing the time taken would have been 2 hrs but with the river flowing the time taken is 1.5 hrs. The time taken to travel upstream the same distance would be _________.
one year ago

Answers : (1)

Sourabh Singh
IIT Patna
askIITians Faculty
2098 Points
							hii

consider the distance to be D and the time taken is 2 hrs So the velocity is D/2.

If we consider downstream speed to ve v then

D= (v +(D/2))*1.5

You will get” v “ .Use it to find the answers.
one year ago
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