A wheel rotates 10 times every minute and moves 20 cm during each rotation. How many ems does the wheel move in 1 hour? Pick one:	A) 20000	B) 14000	C) 23000	D) 120000	E) None of these
Explanation :   Number of wheel moves in 1 hour = 10 * 60= 
<gadget id="calculator">10 * 60</gadget>
<output>600</output>
600distance moved= 600 * 200 = 12000   Answer : 120000
<result>D</result>
A wheel rotates 10 times every minute and moves 20 cm during each rotation. How many ems does the wheel move in 1 hour?