280 മീ. നീളമുള്ള തീവണ്ടി 72 km/ hr വേഗത്തിൽ സഞ്ചരിക്കുന്നു. 200 മീ. നീളമുള്ള പ്ലാറ്റ്ഫോം കടന്നുപോകുന്നതിന് വേണ്ട സമയം എത്ര ?
A18 സെക്കൻഡ്
B24സെക്കൻഡ്
C48 സെക്കൻഡ്
D72 സെക്കൻഡ്
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