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? A. 230 m B. 240 m C. 260 m D. 320 m Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Relative speed = (120 + 80) km/hr =200 x(5/18)m/sec =500/9 m/sec. Let the length of the other train be x metres. Then,(x + 270)/9=500/9 x + 270 = 500 x = 230. Workspace
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