Related Questions

A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of the stream is ----
A 2
B 4
C 3
D 5
A boat goes 8 km in one hour along the stream and 2 km in one hour agaist the stream. The speed i km/hr of the stream is
A 2
B 4
C 3
D 5
A boat runs at 22 km per hour along the stream and 10 km per hour against the stream .Find the ratio of the speed of the boat in still water to that of the speed of the stream .
A 2 :3
B 5 : 3
C 7 : 3
D 8 : 3
If a boat goes 7 km upstream in 42 minutes and the speed of the speed of the stream is 3 kmph, the speed of the boat in still water is
A 4.2 km/hr
B 9 km/hr
C 13 km/hr
D 21 km /hr
A boat goes 8 km in one hour along the steam and 2 km in one hour against the stream, The speed in km/hr of the stream is.
A 2
B 3
C 4
D 5
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
The time taken by a man to travel 36 miles downstream is 90 min less than to go the same distance upstream . The speed of the man in still water is 10 mph. Find the speed of the stream?
A 2 mph
B 2.5 mph
C 3.5 mph
D 5 mph
If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is
A Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{1}{2}}}$$
B Q = 1.71 BD
C Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{3}{2}}}$$
D Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{2}{3}}}$$

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