An athlete runs 200 metres race in 40 seconds. What is his speed?  Choose the correct choice from the following choices.
A) 23
B) 38
C) 18
D) 30
E) 28
Speed=Distance/Time = 200/40= 
<gadget id="calculator">200/40</gadget>
<output>5</output>
5 m/s= 5 * 18/5 = 3618 km/hr   Answer :18
<result>C</result>
An athlete runs 200 metres race in 40 seconds. What is his speed?