Two trains of equal lengths takes 10 seconds and 15 seconds respective – McqOptions

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1.	Two trains of equal lengths takes 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 miters, in what time ( in seconds) will they cross each other traveling in opposite direction?%!
A.	10
B.	12
C.	15
D.	20
Answer» C. 15

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