Udai travels half of his journey by trai...

Udai travels half of his journey by train at the speed of 120 km/h and rest half by car at 80 km/h. What is the average speed ?

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Verified by Experts

Average speed=2(xy)/(x+y)
where x and y are the speeds.
Average `speed=2xx120xx80/(120+80)`=96 km/h

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