- A10 km/h
- B8 km/h
- C12 km/h
- D9.6 km/h
Step-by-Step Solution
⇒ ⇒ ⇒ km/h. Check: 1 h + 1.5 h ✓.
Answer: A) 10 km/h
A boat goes 12 km downstream and comes back in 2 hours 30 minutes. The stream flows at 2 km/h. Find the boat's speed 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
Two swimmers start at the same moment from the two ends of a 2.4 km stretch of river and…In one hour, a boat goes one-third farther downstream than it goes upstream in an hour.…The table records a launch with the same engine on two days. How much longer does a 30…A launch (14 km/h in still water) goes 60 km downstream from X to Y and then comes back…A boat with a still-water speed of 15 km/h takes 1 hour less to go 36 km downstream than…