What is the length of a running train P crossing another running train Q? I. These two trains take 18 seconds to cross each other. II. These trains are running in opposite directions. III. The length of the train Q is 180 metres.

Even with I, II and III, the answer cannot be obtained.

What is the length of a running train P crossing another running train

1.	What is the length of a running train P crossing another running train Q? I. These two trains take 18 seconds to cross each other. II. These trains are running in opposite directions. III. The length of the train Q is 180 metres.
A.	I only
B.	II only
C.	III only
D.	All I, II and III are required
E.	Even with I, II and III, the answer cannot be obtained.
Answer» F.

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What is the length of a running train P crossing another running train Q? I. These two trains take 18 seconds to cross each other. II. These trains are running in opposite directions. III. The length of the train Q is 180 metres.

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