Student: A wheel rotates 20 times every minute and moves 30 cm during each rotation. How many metres does the wheel move in one hour?\nOptions:\n(A) 360 metre\n(B) 12 metre\n(C) 320 metre\n(D) 1200 metre\n(E) 260 metre.
Another student: Let's say, hmmm...

User
Number of times wheel moves in 1 hour = 20 * 30 = 1200\n:. Distance moves = (1200*30) cms = 36000 cms\nIn metres = 360 metre Final answer: (A).
Assistant