A man sitting in a train which is traveling at 45 kmph observes that a goods train, traveling in opposite direction, takes 8 seconds to pass him. If the goods train is 340 m long, find its speed  Select.
A) 102 kmph
B) 106 kmph
C) 108 kmph
D) 62 kmph
E) 72 kmph
Explanation:   Relative speed = 340/8 m / sec = ((340/8)×(18/5)) kmph = 153 kmph.   Speed of goods train = (153 - 45)= 
<gadget id="calculator">(153 - 45)</gadget>
<output>108</output>
108 kmph   Answer: Option 108 kmph
<result>C</result>
A man sitting in a train which is traveling at 45 kmph observes that a goods train, traveling in opposite direction, takes 8 seconds to pass him. If the goods train is 340 m long, find its speed