Login / Signup

Question

A boat takes 7 hours to cover 294 km upstream and 9 hours to cover 486 km downstream. Find the time taken by the boat to cover 720 km upstream and 616 km downstream if speed of boat in still water is increased by 4 km/h and speed of stream is decreased by 2 km/h.

A 24 hours

B 26 hours

C 22 hours

D 19 hours

E 25 hours

Practice Next

More Boats and streams Questions

The downstream speed of a boat is 8 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
The speed of a boat in still water is 40% higher than the speed of the stream. The boat takes 4 hours to travel 96 km downstream. If the boat's speed in st...
A boat has a speed of 30 m/s in still water. When moving upstream, its speed is reduced by 16(2/3) % compared to its still water speed. If the speed of the...
A man rows to a place 42 km away and comes back to the starting point. If the speed of the stream is 2 km/hr and the speed of the boat in still water is 5 ...
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 ...
The speed of the stream is 15 km/h. Boat ‘A’ covers 140 km distance against the stream in 4 hours and boat ‘B’ covers 105 km distance against the stream in...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 35 minutes to cover 35 km in downstream, then find the s...
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in still water. I...
A car can cover a ‘2d’ km distance at the speed of ‘B’ km/h in 30 hours. The speed of the boat in still water and the speed of the stream are ‘B’ and ‘C’ r...
A boat can travel 180 km downstream in 4 hours. If the ratio of the speed of the boat in still water to the speed of the stream is 5:1, then find the time ...

Hey! Ask a query

ask-question