SOLUTION: Two trains are traveling in opposite directions. One of these is 500 meter long having a speed of 120 km/hr while other is 100 meter long having a speed of 60 km/hr. In what time d

Question 803762: Two trains are traveling in opposite directions. One of these is 500 meter long having a speed of 120 km/hr while other is 100 meter long having a speed of 60 km/hr. In what time do these cross each other?
A. 20 sec
B. 30 sec
C. 45 sec
D. 55 sec
plz tell me solution of this question
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
None of the above. It's 12 seconds. I will add full explanation when I can get to my computer. (I am just using my cell phone right now).
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