Two trains travelling in the same direction at 55 and 40 kmph completely pass off another in 1 minute. If the length of the first train is 139 m, what is the length of the second train?	Answers.
A) 387 m B) 139 m C) 111 m D) 125 m E) 167 m
RS = 55 â€“40 = 15 * 5/18 = 25/6 mps   T = 60 sec   D = 25/6 * 60= 
<gadget id="calculator">25/6 * 60</gadget>
<output>250</output>
250 m   139   --------   111 m   Answer: 111 m
<result>C</result>
Two trains travelling in the same direction at 55 and 40 kmph completely pass off another in 1 minute. If the length of the first train is 139 m, what is the length of the second train?