Give stream of consciousness and then the final answer. A wheel rotates 20 times every minute and moves 30 cm during each rotation. How many metres does the wheel move in one hour?
Options:
(A) 360 metre
(B) 12 metre
(C) 320 metre
(D) 1200 metre
(E) 260 metre
Number of times wheel moves in 1 hour = 20 * 30 = 1200
:. Distance moves = (1200*30) cms = 36000 cms
In metres = 360 metre
The final answer: (A).