Related Questions

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
A motor pool has 300 vehicles of which 30% are trucks. 20% of all the vehicles in the motor pool are diesel, including 15 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
A 165%
B 90%
C 65%
D 10%
A boat sailing against a stream of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travel the same distance. What is the speed of the stream?
A 1/2 km/hr
B 1 km/hr
C 2km/hr
D 1.5 km/hr
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 sailing against a stream of of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travels the same distance. What is the speed of the stream ?
A 2.5 km / hr
B 1.5 km / hr
C 1 km / hr
D 0.5 km / hr
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 man takes twice as long to row a distance against the stream as to row the same distance in favor of the stream . The ratio of the speed of the boat (in still water ) and the stream is :
A 2 : 1
B 3 : 2
C 4 : 3
D 3: 1
With increase in speed of the traffic stream, the maximum capacity of the lane
A increases
B decreases
C first increases and then decreases after reaching a maximum value at optimum speed
D first decreases and then increases after reaching a minimum value at optimum speed
In 2003 the number of motor vehicles per square mile for Country E was approximately What percent of the number of motor vehicles per square mile for Country A?
A 18%
B 21%
C 27%
D 33%
A dealer owns a group of cars and motorcycles. If the number of tires (excluding spare tires) on the vehicles is 30 more than twice the number of vehicles and the number of cars is 10 more than the number ofmotorcycle, then the number of cars the dealer owns is ---
A 10
B 15
C 20
D 30

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