Two trains 70 m and 80 m long respectively, run at the rates of 68 – McqOptions

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1.	Two trains 70 m and 80 m long respectively, run at the rates of 68 km and 40 km an hour respectively, on parallel rails in opposite directions. How long do they take to pass each other ?
A.	5 seconds
B.	10 seconds
C.	12 seconds
D.	6 seconds
Answer» B. 10 seconds

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