Two identical trains A and B running in opposite direction with equal speed take 2 minutes to cross each other completely. The number of bogies of A is increased from 12 to 16. How much more time would they now require to cross each other?
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Step-by-step explanation:
hence time taken to cross each train is 2.33 minutes. To cross (12+12)=24 bogies, the required time=2×60 seconds=120 sec
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