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a train makes 10 hours to complete a certain distance at a speed of 48 km/hr by how much should its speed be increased so that it may take o ly 8 hrs to travel same distance |
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Answer» Answer: 12 km/hr Step-by-step EXPLANATION: we KNOW that v1=d/t d=v1*t. d=48*10=480 km SINCE the distance is same 480/8=v2 v2= 60km/hr increase in velocity= 60-48 = 12km/hr |
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