Math, asked by akshayaajayan76, 9 months ago

On a 120 km railway track a train travels the first 30 km at a uniform speed of 30 km/hour.How fast must the train travel the next 90 km so as to get the average of 60km/h for the entire trip

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Answered by mukeshkumarjha9798

0

Answer:

Not knowing hope you will mark me as BRAINLIEST answer

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