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? Choose the correct choice from the following options.
A) 200 B) 250 C) 260 D) 270 E) None
Sol.   Speed = [72 * 5/18] m/sec = 20 m/sec; Time = 26 sec.   Let the length of the train be x metres.   Then, x + 250 / 26 = 20 ⇔ x + 250 = 520 ⇔ x = 270.   Answer 270
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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?