Related Questions

If a man goes 18 km downstream in 4 hours and returns against the stream in 12 hours, then speed of the stream in km/hr is
A 1.75
B 1.5
C 1
D 3
A boat covers a certain distance downstream in 1 hour, while it comes back in 1.5 hour. If the speed of the stream be 3 km/hr. What is the speed of the boat in still water?
A 12 km /hr
B 15 km/hr
C 13 km/hr
D 14 km/hr
A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream. Find the speed of the river current in km/hr.
A 1km/hr
B 2km/hr
C 3km/hr
D 4km/hr
A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream . Find the speed of the river current in km /hr.
A 1 km/hr
B 2 km/ hr
C 3 km /hr
D 4km/ hr
The ratio of the speed of boat in still water to the speed of stream is 16 :5. A boat goes 16.5 km in 45 minute upstream. Find the time taken by boat to cover the distance of 175 km downstream.
A 30minutes
B 25minutes
C 50minutes
D 45minutes
The ratio of the speed of boat in still water to the speed of stream is 16: 5. A boat goes 16.5 km in 45 minute upstream . Find the time taken by boat to cover the distance of 17.5 km downstream .
A 30 minutes
B 25 minutes
C 50 minutes
D 45 minutes
The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream , find the time taken by boat to cover the distance of 17.5 km downstream .
A 30 minutes
B 25minutes
C 50 minutes
D 45 minutes
A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km / hr ) of the boat in still (without stream) water?
A 10 km/hr
B 12 km/hr
C 14 km/hr
D 8 km/hr
A man can row three- quarters of a kilometer against the stream in 11.25 minutes and down the stream in 7.5 minutes. The speed ( in km/hr) of the man in still water is-
A 4 km/hr
B 5 km/hr
C 6 km/hr
D 6.5 km/hr
A man can row three-quarters of a kilometre (km) against the stream in 11.25 minutes and down the stream in 7.5 minutes. The speed (in km/hr) of the man is still water is :
A 4 k km/hr
B 5 km/hr
C 6 km/hr
D 6.5 km/hr

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