Math, asked by pritamkumarjmt, 2 months ago

4.
A train covers 50% of the journey at 30 km/hr, 25% of the
journey at 25 km/hr and the remaining at 20 km/hr. Find
the average speed of the train during the whole journey. ​

Answers

Answered by Narendra1980ram
3

Answer:

One-third of a certain journey was covered at the speed of 20 km/hr, one –fourth at 30 km/hr and the rest at the speed of 50 km/hr. find the average speed peer hour for the whole journey.

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