A train traveled from Dehradun to Delhi at a speed of 40 km / h and returned at a speed of 60 km / h. What is the average speed of the train on all the journeys?
(a) 50 km/h
(b) 45 km/h
(c ) 48 km/h
(D) 52 km/h
???????????
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Answered by
1
Answer:
a) 50 km/h is the correct answer
Answered by
3
Answer:
C) 48 km/h is the Correct option
explanation is in the above image
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