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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 metr ?->(Show Answer!)
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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.






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  • By: guest on 01 Jun 2017 05.48 pm
    Let the length of the train P be x metres.  II. These trains are running in opposite directions. III. Length of the train Q is 180 m.   I. Time taken by P to cross Q = (180 + x)     18 = (180 + x) Relative speed Relative speed Thus, even with I, II and III, the answer cannot be obtained. Correct answer is (E).
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