A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train ?

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Relative speed = (120 + 80) km/hr =(200*5/18)m/s = (500/9)m/s Let the length of the other train be x metres. Then, x+270/9 = 500/9

A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train ?

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