Question
Train Y leaves Hyderabad at a certain time. After 7
hours Flyer Express leaves the same station and travels in the same direction at the speed of 140 km/h. If Flyer Express catches up the train Y in 7 hours, then what is the speed of train Y?Solution
Distance travelled by Flyer Express in 7 hours = 140 × 7 = 980 km
Speed of train Y = 980 / (7 + 7) = 70 km/hr
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