Question
The speed of the boat in still water is 11 km/hr and the speed of the stream is 7 km/hr. A boat goes 90 km downstream with its usual speed but at the time of returning the speed of the boat in still water is doubled. Find the total time taken by boat to cover the whole distance.
More Boats and streams Questions
- The speed of a boat in still water is 20 km/h, and the speed of the river flow is 4 km/hr. If the total time taken for the boat to go from point 'X' to poi...
- The speed of current is 40 km/hr. If the speed of the boat in still water had been 10 km/hr more than the original speed then it would take 5.5 hours to co...
- A man can row 5 km/hr in still water. If the speed of the current is 2 km/hr, it takes 4 hours more in upstream than in the downstream for the same distanc...
- Speed of a boat in still water is 15 kmph and speed of stream is 13 kmph. A man rows to a place at a distance of 56 km and come back to starting point. The...
- A boat covers 440 km downstream in 20 hours. If in still water it covers 196 km in 14 hours, then find the time required to travel 420 km upstream.
- A boat sails 150 km in downstream direction in 5 hours. If the upstream speed is one-third of its downstream speed, calculate the time it will take to cove...
- A ship requires 9 hours to travel a distance of 216 km downstream and 210 km upstream. If the ratio of the ship's speed in calm waters to the speed of the ...
- If a boat travels 35 km more in downstream than in upstream in 5 hr and if the speed of the boat in still water is 25 km/hr, then find the distance travell...
- A boat takes half the time to move a certain distance downstream than upstream. the ratio of the boat's speed in still water and that of the current is.
- A boat travels 30 km upstream and 40 km downstream. The speed of the stream is 5 km/h, and the boat’s speed in still water is 15 km/h. How much time does t...
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)