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A person rows a boat at 15 km/h in still water. If the current flows at 5 km/h, what is the boat's speed while moving downstream?

Boats and Streams MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Boats and Streamsmathematics-mcqs › boats-and-streams
Published
22 Sept 2019
Last updated
28 May 2026

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Explanation

The speed of the boat in still water is 15 km/h and the stream's speed is 5 km/h. When moving downstream, the speeds add up: 15 + 5 = 20 km/h.

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Practice related questions from the same subject.

  1. 1.A steamboat travels downstream from one harbor to another in 4 hours and returns upstream over the same distance in 5 hours. If the current's speed is 2 km/h, what is the distance between the two harbors?
  2. 2.A motorboat's speed is in the ratio 36:5 compared to the speed of the water current. If the boat takes 5 hours and 10 minutes to travel downstream, how long will it take to return upstream?
  3. 3.A boat travels at a speed of 5 km/h in still water. It covers 30 km upstream and then returns downstream to the starting point in a total of 4 hours and 30 minutes. What is the speed of the current?
  4. 4.A boat travels 30 km downstream in 2.5 hours and returns the same distance upstream in 3.75 hours. What is the boat's speed in still water?
  5. 5.A boat travels 24 km downstream in 10 hours, but takes 2 hours longer to cover the same distance upstream. What is the boat's speed in still water?
  6. 6.A boat travels 24 kilometers downstream in 4 hours, while it takes 6 hours to cover the same distance upstream. What is the speed of the boat in still water?
  7. 7.A person rows at a speed of 9 km/h in still water. He takes 4.5 hours to travel from point A to point B and back again. If the current flows at 1 km/h, what is the distance between points A and B?
  8. 8.A man rows a boat at 15 km/h in still water. If the river current flows at 3 km/h, how long will it take him to travel 60 meters downstream?
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