Login / Signup

Question

If a boat's downstream and upstream speeds are 30 km/hr and 22 km/hr respectively, and it travels (x +
y) km upstream in 10 hours when the stream speed is twice the regular one, what is the average of x and y?

A 90 km

B 60 km

C 73 km

D 85 km

E None of these

Practice Next

More Boats and streams Questions

A boat covers 24km upstream and 36km downstream in 6 hours while it covers 36km upstream and 24km downstream in 13/2 hours. The speed of the Boat is.
A boat travels 30 km downstream in 2 hours and the same distance upstream in 5 hours. Find the speed of the boat in still water and the speed of the stream...
The downstream speed of a boat is 48 km/hr, while its upstream speed is 32 km/hr. The boat takes 10 hours to travel a distance of (p + 40) km downstream an...
A boat takes 6 hours to cover 288 km downstream and 7 hours to cover 168 km upstream. Find the time taken by the boat to cover 180 km in still water.
A boat has a speed of 18 km/h in still water, while the stream flows at 6 km/h. How much time (in hours) will it take the boat to travel 180 km upstream an...
A boat goes x km downstream from A to B and then returns upstream to D, where BD = x/1.8. If total time taken is 52 hours, boat speed in still water is 24 ...
The speed of a boat in calm water is 4 km/hr greater than the speed of the stream. The boat travels a distance of 280 km downstream and 200 km upstream in ...
The ratio of the speed of boat in upstream to speed of boat in downstream is 7:9. If the boat can cover a total of 70 km upstream and 90 km downstream in 5...
A boat takes 14 hours to travel downstream from point P to point Q and then return to point R, which is located halfway between P and Q. If the speed of th...
A boat can travel 36 km downstream in 45 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 1. How much time will the ...

Relevant for Exams:

Hey! Ask a query

ask-question