A 240 m long train crosses a platform of equal length in 27 s. What is the speed of the train in km/h?

A) 48 km/h

B) 60 km/h

C) 56 km/h

D) 64 km/h

Correct answer:
D) 64 km/h

Description for Correct answer:
By the formula, Speed = \( \Large \frac{Distance}{Time} \)

= \( \Large \frac{ \left(240+240\right) }{27} \times \frac{18}{5} \)

= \( \Large \frac{480}{27} \times \frac{18}{5} \) = 64 km/h

Please provide the error details in above question

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