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A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?

A. 230 m

B. 240 m

C. 260 m

D. 270 m

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Correct Answer : D.

S p e e d = (72 \times \frac{5}{18}) m / s e c = 20 m / s e c . T i m e = 26 s e c . L e t t h e l e n g t h o f t h e t r a i n b e x m e t r e s . T h e n, \frac{x + 250}{26} = 20 \Rightarrow x + 250 = 520 \Rightarrow x = 270 .

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