A boat goes 6 km downstream in 20 min and 6 km upstream in 30 min. What is the speed of the boat in still water?

12 km/h

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15 km/h

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18 km/h

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21 km/h

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Solution

The correct option is B
15 km/h

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Q. A boat goes 24 km upstream and 28 km downstream in 6 hrs. It goes 30 km upstream and 21 km downstream in

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A boat goes 6 km downstream in 20 min and 6 km upstream in 30 min. What is the speed of the boat in still water?

The correct option is B 15 km/h

The correct option is B
15 km/h