# Aptitude:: Problems on Trains

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### Exercise

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16

#### A train travelling at a speed of 75 mph enters a tunnel 31/2 miles long. The train is 1/4 mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?

 A. 2.5 min B. 3 min C. 3.2 min D. 3.5 min

17

#### A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

 A. 5 sec B. 6 sec C. 7 sec D. 10 sec

18

#### Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is:

 A. 9 B. 9.6 C. 10 D. 10.8

19

#### Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is:

 A. 30 km/hr B. 45 km/hr C. 60 km/hr D. 75 km/hr

20

#### A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?

 A. 230 m B. 240 m C. 260 m D. 270 m

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