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A bus goes to Ranchi from Patna at the rate of 80 kmper hour. Another bus leaves Ranchi for Patna at thesame time as the first bus at the rate of 90 km perhour. Find the average speed for the journeys of thetwo buses combined if it is known that the distancefrom Ranchi to Patna is 720 kilometres. |
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Answer» Step-by-step EXPLANATION: please thank me please FOLLOW me |
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