A man’s speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man’s speed against the current is:
Correct answer C. 10 km/hr
Tip: press A, B, C or D to answer, and N for the next question.
Advertisement
More Boats and Streams questions
See allA 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
Speed 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
Advertisement
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
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)
Discussion