A boy covers a distance of 10 km at a sp...

A boy covers a distance of 10 km at a speed of 12 km/h by his bicycle and after that he covers a distance of 12 km at a speed of 10 km/h. Find the average speed of the boy. (approx.)

A

a)10.4 km/h

B

b)10.8 km/h

C

c)11.0 km/h

D

d)12.2 km/h

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The correct Answer is:

B

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