A man sitting in a train which is traveling at 50 kmph observes that a goods train, traveling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.?	Choose the most appropriate option: A) 50 kmph B) 58 kmph C) 62 kmph D) 65 kmph E) 75 kmph
Relative speed = 280/9 m / sec = ((280/9)*(18/5))= 
<gadget id="calculator">((280/9)*(18/5))</gadget>
<output>112</output>
112 kmph.   Speed of goods train= (112 - 50)= 
<gadget id="calculator">(112 - 50)</gadget>
<output>62</output>
62 kmph.   Answer : 62 kmph.
<result>C</result>
A man sitting in a train which is traveling at 50 kmph observes that a goods train, traveling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.?