After meeting each other, a train from Jaipur takes 2 hours 15 minutes and a train from Agra takes 4 hours to reach their destinations. The Jaipur train runs at 60 km/h. What is the speed of the Agra train?

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Accepted Answer

45 km/h. Speeds are in the ratio √t_2:√t_1: Jaipur : Agra =√4:√2.25=2:1.5=4:3. Agra train =60×3/4=45 km/h. (33.75 uses the plain time ratio.)

After meeting each other, a train from Jaipur takes 2 hours 15 minutes and a train from Agra takes 4 hours to reach their destinations. The Jaipur train runs at 60 km/h. What is the speed of the Agra train?

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