A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and the – McqOptions

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1.	A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is
A.	18
B.	25
C.	20
D.	15
Answer» B. 25

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