Trains P and Q move along parallel tracks in the same direction. Train – McqOptions

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1.	Trains P and Q move along parallel tracks in the same direction. Train P completely overtakes the train Q in 60 seconds, and a passenger in the train P crosses train Q in 40 seconds. If the ratio of the speed of train P and Q be 2 : 1, then what is the ratio of their lengths?
A.	3 : 2
B.	3 : 4
C.	3 : 1
D.	1 : 2
Answer» E.

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