A wheel rotates 20 times every minute and moves 35 cm during each rotation. How many metres does the wheel move in one hour?  Pick:
A) 6 metre B) 120 metre C) 220 metre D) 1200 metre E) 420 metre
Number of times wheel moves in 1 hour = 20 * 60= 
<gadget id="calculator">20 * 60</gadget>
<output>1_200</output>
1200   :. Distance moves= (1200*35)= 
<gadget id="calculator">(1200*35)</gadget>
<output>42_000</output>
42000 cms   In metres= 420 metre   ANSW420 metreR:420 metre
<result>E</result>
A wheel rotates 20 times every minute and moves 35 cm during each rotation. How many metres does the wheel move in one hour?