Thursday 14 June 2012

Problems on Trains


 1.A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
A. 120 metresB. 180 metres
C. 324 metresD. 150 metres

Answer: Option D

2.  A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
A. 45 km/hrB. 50 km/hr
C. 54 km/hrD. 55 km/hr
Answer: Option B

3.  The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
A. 200 mB. 225 m
C. 245 mD. 250 m
Answer: Option C

4.  Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
A. 1 : 3B. 3 : 2
C. 3 : 4D. None of these
Answer: Option B

5.  A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
A. 120 mB. 240 m
C. 300 mD. None of these
Answer: Option B




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