Question
Passenger train leaves Bhopal at a certain time. After 3
hours, Intercity Express leaves the same station and travels in the same direction at the speed of 108 km/h. If Intercity catches up the passenger train in 9 hours, then what is the speed of the passenger train?Solution
Distance travelled by Intercity Express in 9 hours = 108 × 9 = 972 km
Speed of passenger train = 972 / (3 + 9) = 81 km/hr
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