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Difficulty—
Two trains are moving in the opposite direction on parallel tracks at the speeds of \(60\,\text{km/hr}\) and \(90\,\text{km/hr}\) respectively. The first train passes a telegraph post in \(5\) seconds whereas the second train passes the post in \(6\) seconds. What is the time taken (in seconds) by the trains to cross each other completely?
A. \(5\)
B. \(5.2\)
C. \(5.4\)
D. \(5.6\)
E. \(5.8\)
OA D
A. \(5\)
B. \(5.2\)
C. \(5.4\)
D. \(5.6\)
E. \(5.8\)
OA D
