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Length of a train is 330 metres and it is moving at the speed of 72 km/hr. In how much time will it takes cross a platform of length 710 metres?

Answer & Solution
Correct Answer: Option D
$$\eqalign{ & {\text{Time}} = \frac{{330 + 710}}{{72 \times \frac{5}{{18}}}}{\text{ Sec}}{\text{.}} \cr & = \frac{{1040}}{{20}}{\text{ Sec}}{\text{.}} \cr & = 52{\text{ Sec}}{\text{.}} \cr} $$
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