Two trains are moving in the opposite direction at speed of 30 km/hr a – McqOptions

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1.	Two trains are moving in the opposite direction at speed of 30 km/hr and 45 km/hr respectively, whose lengths are 450 m and 550Â m respectively. What is the time taken (in seconds) by slower train to cross the faster train?
A.	48
B.	54
C.	62
D.	72
Answer» B. 54

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