Question
A boat goes 200 km downstream in 50 hours, and 90 km upstream in 30 hours. The speed of the stream is
Speed downstream = 200/50= 4 km/hr. Distance upstream= 90 km, Time taken to row upstream = 30 hrs. 
Speed of the stream = 1/2(4-3)= 1/2 km/hrMore Boats and streams Questions
- A boat can cover 160 km in downstream in 16 hours and 144 km in upstream in 18 hours. Find the speed of boat in still water
- Sumit can swim 12 km upstream and 16 km downstream in 5 hours. If ratio of speed of stream to that of speed of Sumit in upstream is 1:2, then find the spee...
- A boat covers a distance of 240 km downstream in 8 hours. If the ratio of upstream speed to downstream speed of the boat is 2:5, then find the distance tra...
- A boat takes 12 hours longer to cover 378 km upstream than it does to cover the same distance downstream. The speed of the stream is 12 km/h. What is the d...
- A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still water...
- The ratio of the speed of the boat in upstream to that of in downstream is 4:7, respectively. If the speed of the current is 9 km/h, then find the speed of...
- A boat running downstream covers a distance of 56 km in 7 hrs and covering the same distance upstream in 14 hrs. What is the speed of a boat in still water...
- A boat takes 20 hours to go 200 km upstream. If the boat doubles its speed, it can cover 200 km downstream in 4 hours. Find the speed of the stream.
- The speed of the boat in still water is 12 km/hr and the speed of the stream is 9 km/hr. A boat goes 84 km downstream with its usual speed but at the time ...
- Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 46 minutes to cover 23 km in downstream, then find the s...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)