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It is 260 km from Patna to Ranchi by air and 320 kmby road. An aeroplane takes 30 minutes to go from Patnato Ranchi whereas a delux bus tokes 8 hours. (a) Findthe average speed of the plane h) Find the averagespeed of the bus. ic) Find the wvernge velocity of theplane. (d) Find the avernge selecity of the bus |
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