Time and Speed - Train and Boat

A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long?

If Rahim walks at 14 km/hr instead of 10 km/hr for a certain time, he would have walked 20 km more. If Rahim walks at a speed of 10 km/hr, the distance travelled by him within that time is -

A train with a length of 150m long, takes 30 seconds to cross a 500m long bridge. How much time will the train take to cross a 370m long platform?

A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?

A train 800 meters long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is :

A train is moving at the rate 8 mi/h along a piece of circular track of radius 2,500 ft. Through what angle does it turn in 1 min?

In a city, the fare of a cab consists of fixed charge plus the charge for the distance covered. For a journey of 8 km, the charge paid is Tk. 300 and for 15 km, the charge paid is Tk. 335. Determine the charge a person will have to pay for 24 km?

A train of length 150m takes 10 seconds to cross another train 100m long coming from the opposite direction. If the speed of first train is 30 km/hr, what is the speed of second train ?

A barge, when empty, travels twice as fast as when it is full. If it travel 20 miles north with a cargo, spends 30 minutes for unloading and returns to its original port empty to complete the entire trip taking 8 hours, what is the speeds of the barge when it is empty?

A train of 220 m long is moving at 45 km/h. The time taken by the train to cross a tunnel of 260 m long is-

Two buses start from a bus terminal with a speed of 20 km/h at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes?

Luke drives the first 300 miles of a trip at 60 miles an hour. How fast does he have to drive, in miles per hour, on the final 200 miles of the trip if the total time of the trip is equal to 7 hours?

A motorist travels to a place 150 km away at in average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is:

A student walks from his house at a speed of (5/2) km per hour and reaches his school 6 minutes late. The next day he increases his speed by 1 km per hour and reaches 6 minutes before school time. How far is the school from his house?

A train takes 20 seconds to cross a pole. It takes 50 seconds to cross the platform. What is the ratio of the length of the platform to that of the train? 

A man rows a certain distance along the stream and against the stream in 1 hour and 1.5 hours respectively. If the velocity of the current is 3 km/hr, what is the speed of the man in still water?

An airplane flies along the four sides of a square at the speeds of 200, 400, 600 and 800 kmh. Find the average speed of the plane around the field.

The elevator in a eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator makes during a 7 hour period?

Two trucks 300 km away are travelling towards each other with a constant speed. Truck A is moving at a average speed 70 km/h while truck B is moving at average speed 50 km/h. How long does it take for them to meet.

In covering a certain distance, the speed of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is: