A train 200m long passes a standing man in 18 seconds. What is the speed of the train?	Options: A) 30km/hr B) 40km/hr C) 42km/hr D) 50km/hr E) 32km/hr
Speed of the train = 200/18* 18/5= 
<gadget id="calculator">200/18* 18/5</gadget>
<output>40</output>
40km/hr   Answer is 40km/hr
<result>B</result>
A train 200m long passes a standing man in 18 seconds. What is the speed of the train?