The wheels of bicycles A and B have radii 30 cm and 40 cm, respectivel – McqOptions

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1.	The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance, each wheel of A required 5000 more revolutions than each wheel of B. If bicycle B traveled this distance in 45 minutes, then its speed, in km per hour, was
A.	16π
B.	14π
C.	18π
D.	12π
Answer» B. 14π

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