Number of times wheel moves in 1 hour = 20 * 30 = 1200
:. Distance moves = (1200*30) cms = 36000 cms
In metres = 360 metre
A wheel rotates 20 times every minute and moves 30 cm during each rotation. How many metres does the wheel move in one hour?
360 metre
12 metre
320 metre
1200 metre
260 metre