An athlete runs 200 metres race in 20 seconds. What is his speed?
Choose the correct choice from the following
A) 23 B) 38 C) 37 D) 36 E) 28
Speed=36istance/Time = 200/20= 
<gadget id="calculator">200/20</gadget>
<output>10</output>
10 m/s= 10 * 18/5= 
<gadget id="calculator">10 * 18/5</gadget>
<output>36</output>
36 km/hr   Answer :36
<result>D</result>
An athlete runs 200 metres race in 20 seconds. What is his speed?