Two joggers are running along a railway track at the speeds of 4 km/hr and 5 km/hr respectively in the opposite

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Two joggers are running along a railway track at the speeds of 4 km/hr and 5 km/hr respectively in the opposite direction in which a train is travelling. The train overtakes both joggers in 10 seconds and 12 seconds respectively. What is the speed of the train in km/hr?

A. 1

B. 2

C. 3

D. 4

E. 5