A train leaves New Delhi railway station at 09:00 AM and reaches Jaipur, which is at a distance of 260 km at 12:45 PM. The train reaches Alwar (at distance 150 km from New Delhi) at 11:30 AM and stops there for 15 minutes. i. What is the reference point for the motion of the train? ii. What is the average speed to the train between Alwar and Jaipur?

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1. Reference point is New Delhi. 2. Distance between Alwar to Jaipur = 260 km - 150 km = 110 km, Time taken by train from alwar to jaipur = 225 min - 165 min = 60 min = 1hour, Average speed = total distance/ total time = 110 km/hr.
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Java Trainer

i. Changeable ii. 110 km/hr
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