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The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 24 minutes is

3.6 km
2.4 km
3.2 km
7.2 km
Explanation:

speed of a boat in still water = 15 km/hr

Speed of the current = 3 km/hr

Speed downstream = (15+3) = 18 km/hr

Distance travelled downstream in 24 minutes $=\dfrac{24}{60} \times 18 = \dfrac{2 \times 18}{5}\text{ = 7.2 km}$

Additional Questions

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Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4864 km and comes back to the starting point. The total time taken by him is:

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A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

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The speed of a boat in still water is 25 kmph. If it can travel 10 km upstream in 1 hr, what time it would take to travel the same distance downstream?

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The speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. The distance travelled downstream in 24 minutes is:

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In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water in km/hr is

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A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream in km/hr is:

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The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 24 minutes is

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