Two trains of equal lengths take 10 sec and 15 sec respectively to – McqOptions

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1.	Two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be 120 m, in what time will they cross other travelling in opposite direction?
A.	8 sec
B.	12 sec
C.	18 sec
D.	20 sec
Answer» C. 18 sec

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