Answer me the length of a running train P crossing another running train Q? I. T

Question

Answer me 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.

Answer me 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.

Explanation / Answer

D

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