A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
Correct answer C. 4 hours
Tip: press A, B, C or D to answer, and N for the next question.
Advertisement
More Boats and Streams questions
See allSpeed of water in certain river is 2 km/h and it takes a boat thrice as long to row up as to row down the river. Find the speed of the boat in still water?
Correct answer D. 4 km/h
Imran speed of rowing in still water is 9 km/h and he finds that it takes him twice as long to row up as to row down the river. Find the speed of water in the river?
Correct answer B. 3 km/h
Advertisement
A man travel in his yacht downstream at d knots and returns the same distance upstream at u knots. What is his average rate for the round trip if the length of stream is 1?
Correct answer D. 2du/(d+u)
A man can row down a 10 mile stream in 2 hours and up in 5 hours. What is the average speed in miles per hour?
Correct answer C. 2 6?7
Discussion