A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream . If the speed of the boat in still water is 10 mph, the speed of the stream is :

A boat takes 90 minutes less to travel 36 miles downstream than to

1.	A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream . If the speed of the boat in still water is 10 mph, the speed of the stream is :
A.	2 mph
B.	2.5 mph
C.	3 mph
D.	4 mph
Answer» B. 2.5 mph

Discussion

No Comment Found

Related MCQs

What is the speed of the boat in still water? I. The speed downstream is 12 kmph. II. The speed upstream is 4 kmph. III. In a to and fro journey between two points, the average speed of the boat was 6 kmph.
A boat takes a total time of three hours to travel downstream from P and Q and upstream back from Q to P. What is the speed of the boat in still water? I. The speed of the river current is 1 km per hour. II. The distance between P and Q is 4 km.
What is the speed of the boat in still water? I. It takes 2 hours to cover the distance between A and B downstream. II. It takes 4 hours to cover the distance between A and B upstream.
What is the speed of the boat in still water? I. The boat covers a distance of 48 kms in 6 hours while running upstream. II. The boat covers the same distance in 4 hours while running downstream.
A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:
A man can row upstream at 12km/hr and downstream at 18 km/hr. The man rowing speed in still water is?
A boat can tarvel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream?(in hours)
The speed of the boat in still water is 5 times that of current, it takes 1.1 hour to row to point B from point A downstream. The distance between point A and point B is 13.2 km. How much distance (in km) will it cover in 312 minutes upstrem?
A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55 km downstream in 2 hour 30 minutes, what is the speed of the boat in the still water?
Speedof a along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is?

A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream . If the speed of the boat in still water is 10 mph, the speed of the stream is :

Discussion

No Comment Found

Related MCQs

Reply to Comment