A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximate:

A boy rides his bicycle 10 km at an average speed of 12 km/hr and agai

1.	A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximate:
A.	10.4 km / hr
B.	10.8 km / hr
C.	11.0 km / hr
D.	12.2 km / hr
Answer» C. 11.0 km / hr

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A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximate:

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