A 240 metre long train crosses a 300 metre long platform in 27 seconds. What is the speed of the train in kmph ?
The total distance travelled by the train equals 240+300 = 540 metres.
This distance is covered by the train in 27 seconds.
Hence, the speed of the train equals $$\frac{540}{27} = 20$$ m/s
This speed when converted to kmph equals $$20 * \frac{18}{5} = 72$$ kmph
As this is not given in the options, the correct answer is option (e)
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