A train travels the distance between two stations X km apart at speed of 60 km per hour for the onward journey and 90 km per hour on the return journey. What is the average speed of the train?

A train travels the distance between two stations X km apart at speed

1.	A train travels the distance between two stations X km apart at speed of 60 km per hour for the onward journey and 90 km per hour on the return journey. What is the average speed of the train?
A.	77 km/hr
B.	76 km/hr
C.	75 km/hr
D.	72 km/hr
Answer» E.

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A train travels the distance between two stations X km apart at speed of 60 km per hour for the onward journey and 90 km per hour on the return journey. What is the average speed of the train?

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