A bicycle wheel has a diameter of 0.75m. How many complete revolutions does it make in 1km? Pick:
A) 424	B) 448	C) 1408	D) 710	E) 223

Rationale: "1 revolution = 3.14 * diameter . number of revolutions in 1 km = 1000 m / ( 3.14 * 0.75 m ) = 424.6 . hence 424 complete revolutions . answer a"
Answer: A