Two trains travelling in the same direction at 90 and 36 kmph completely pass off another in 1 minute. If the length of the first train is 300 m, what is the length of the second train?  Choices.
A) 228
B) 266
C) 175
D) 99
E) 600
RS = 90 â€“ 36 = 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 mps   T= 60 sec   D = 15 * 60= 
<gadget id="calculator">15 * 60</gadget>
<output>900</output>
900 m   300   --------   600 m   Answer: 600
<result>E</result>
Two trains travelling in the same direction at 90 and 36 kmph completely pass off another in 1 minute. If the length of the first train is 300 m, what is the length of the second train?