- A2
- B3
- C4
- D1
Step-by-Step Solution
Each round trip = 1.5 h down + 20 min halt + 2 h up = 3 h 50 min, plus 20 min before the next start. Trip 1 ends 9:50 a.m., trip 2 ends 2:00 p.m., trip 3 would end at 6:10 p.m. — too late. So 2.
Answer: A) 2
A ferry (14 km/h in still water) runs between two ghats 24 km apart on a river flowing at 2 km/h, halting 20 minutes at each end. It leaves the upstream ghat at 6 a.m. How many complete round trips can it finish (back at the upstream ghat) by 6 p.m.?
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
Boat P is twice as fast as boat Q in still water. On a river flowing at 3 km/h, P goes…A boat goes 24 km upstream, halts there for 1 hour, and returns on a river flowing at 2…A boat goes 27 km down the Krishna, which flows at 4 km/h, and then 27 km up the…Going downstream, a motorboat passes a raft at point P. Thirty minutes later the boat…A boat takes 12 minutes to go 1.6 km upstream and 6 min 40 s to cover the same 1.6 km…