1. | 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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Answer: Option A Explanation: Relative speed = (120 + 80) km/hr
Let the length of the other train be x metres.
x + 270 = 500 x = 230. |