A bicycle wheel has a diameter of 0.75m. How many complete revolutions does it make in 1km?
Options
A) 424 B) 448 C) 1408 D) 710 E) 223
1 revolution = 3.14 * diameter.   Number of revolutions in 1km = 1000m / ( 3.14 * 0.75m ) = 424.6. Hence 424 complete revolutions.   424nswer 424
<result>A</result>
A bicycle wheel has a diameter of 0.75m. How many complete revolutions does it make in 1km?