A train of length 200 metres takes 54 seconds to cross a tunnel of length 400 metres. What is the speed of the train in kmph?

13.33

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26.67

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66.67

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76.70

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Solution

The correct option is C
40

Total distance train needs to cover= $400 + 200 = 600 m e t r e s$
Speed = $(\frac{200 + 400}{54}) \times \frac{18}{5} = 40 k m / h r$

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