Question

6. On a track of 60km a train travels the first 30km at a uniform speed of 30km/hr. How fast must the train travel the next 30km so as to get an average of 40km/hr for the entire trip?(3)

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Answer 1

Now as the average speed for the trip and the whole distance are given, speed for next 30km can be found. Thus, the train travels the next 30km with the speed 60kmh−1 which is the same as given in the answer for the question.

Answer 2

Explanation:

here is

hopefully you get it