- A30 minutes
- B45 minutes
- C36 minutes
- D40 minutes
Step-by-Step Solution
Upstream = 6 km/, downstream = 12 km/, still water = 9 km/. Time for 6 km = min.
Answer: D) 40 minutes
Going 3 km upstream takes a rower 30 minutes; going 3 km downstream takes 15 minutes. How long would 6 km take in still water?
Competition practiceBoats & Streams
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Boats & Streams practice questions
More Boats & Streams practice
In the figure, how much longer does the return leg from B to A take than the trip from A…From the same jetty, boat P (14 km/h in still water) heads upstream and boat Q (10 km/h…Two launches leave the same ghat together and both go downstream. Their still-water…Four boats are tested on the same river. Using the table, which boat has the highest…The boat in the figure goes from A to B, halts at B for 1 hour, and returns to A. What…