Question
A goods train leaves Chennai at a certain time. After 3
hours, a passenger train leaves the same station and travels in the same direction at the speed of 90 km/h. If the passenger train catches up the goods train in 6 hours, then what is the speed of the goods train?Solution
Distance travelled by the passenger train in 6 hours = 90 × 6 = 540 km
Speed of the goods train = 540 / (3 + 6) = 60 km/hr
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