A man is standing on a railway bridge which is 180 m long. He finds th – McqOptions

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1.	A man is standing on a railway bridge which is 180 m long. He finds that  a train crosses the bridge in 20 seconds but himself in 8 seconds. Find the length of the train and its speed?
A.	52 km
B.	53 km
C.	54 km
D.	55 km
Answer» D. 55 km

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