- A18 km/h
- B50 km/h
- C45 km/h
- D12.5 km/h
Step-by-Step Solution
The extra 4 s is spent covering the 50 m platform: speed m/s km/h. (12.5 is the speed in m/s.)
Answer: C) 45 km/h
A train runs past a 50 m platform in 14 s and past a man standing on that platform in 10 s. Find its speed in km/h.
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