Question

Speed of a boat in still water to speed of boat in

Q: Answer-Speed of a boat in still water to speed of boat in upstream is 13:10. If the boat can travel 320 km...

Let speed of boat in still water and speed of boat in upstream be 13x kmh and 10x kmh, respectively. Speed of stream 13x 10x 3x kmh Speed of boat in downstream 13x 3x 16x kmh So, 16x 3205 64 Or, x 4 Speed of boat in still water 13 4 52 kmh Desired time 1352 15 minutes

upstream is 13:10. If the boat can travel 320 km in downstream in 5 hours, then find the time taken by the boat to cover 13 km in still water.

A 30 minutes

B 20 minutes

C 15 minutes

D 18 minutes

E None of these

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Speed of a boat in still water to speed of boat in

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