Devki rides his scooter 10km at an average speed of 10 km/hr and again – McqOptions

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1.	Devki rides his scooter 10km at an average speed of 10 km/hr and again travels 30km at an average speedof 15 km/hr. What is her average speed for the entire trip approximately?
A.	13.33 Km/hr
B.	15 Km/hr
C.	20 Km/hr
D.	10 Km/hr
Answer» B. 15 Km/hr

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