Problems Involving Speed of Boat In Still Water


 
 
Concept Explanation
 

Problems Involving Speed of Boat In Still Water

In these type of situations, we will use the basic formula of speed

Speed=frac{Distance}{Time}

while calculating speed of boat in still water we divide the distance traveled by the time taken, as in various problems related to speed

Illustration: A boat goes from point A to another point B at a distance of 30 Km in still water in 9 hours. How much time it will take to cover 25 Km in still water.

A. 5 h          B. 7.5 h          C. 15 h           D. 7 h

Answer: B

Solution:    Calculate the speed of boat in still water

Distance between point A and B = 30 Km

Time taken = 9 hours

Speed=frac{Distance}{Time}= frac{30}{9}

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