Two trains of length 140 m and 100 m long are going on a parallel trac – McqOptions

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1.	Two trains of length 140 m and 100 m long are going on a parallel track in same direction at a speed of 90 km/h and 18 km/h respectively. What is the time taken for the trains to cross each other completely?
A.	12 seconds
B.	13 seconds
C.	15 seconds
D.	14 seconds
Answer» B. 13 seconds

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