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 ?	Choose one
A) 230 B) 777 C) 267 D) 288 E) 277
Explanation:   Relative speed = (120 + 80) km/hr   ==   Let the length of the other train be x metres.   Then,   x + 270 = 500   x = 230.   230nswer: 230) 230 m
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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 ?