A train X running at 72 km/h crosses another train Y running at 54 km/h in opposite direction in 15 seconds. If the length of Y is two-fifth that of X, then what is the length (in meter) of X?

A train X running at 72 km/h crosses another train Y running at 54 km/

1.	A train X running at 72 km/h crosses another train Y running at 54 km/h in opposite direction in 15 seconds. If the length of Y is two-fifth that of X, then what is the length (in meter) of X?
A.	375
B.	150
C.	300
D.	225
Answer» B. 150

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A train X running at 72 km/h crosses another train Y running at 54 km/h in opposite direction in 15 seconds. If the length of Y is two-fifth that of X, then what is the length (in meter) of X?

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