How much time does a train 125 metres long running at 60 km/hr take to pass a pole?	Select the correct option.
A) 7.9 s
B) 2.5 s
C) 7.5 s
D) 7.6 s
E) 7.4 s

Rationale: "explanation : 60 km / hr = 60 * 5 / 18 = 16.67 m / s speed = distance / time ; v = d / t 16.67 = 125 / t t = 7.5 s answer : c"
Answer: C