Question 68

Find the time taken by a boat to travel 80 km with the current, if the speed of the boat in still water is 14 km/h and the speed of the current is 6 km/h?

Solution

Time taken by a boat to travel 80 km with the current = $$\frac{80}{14+6}$$ [Here speed of the boat in still water and the speed of the current is added because the boat is going with the current.]

=$$\frac{80}{20}$$

= 4 hours


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