- A24 s
- B28 s
- C30 s
- D32 s
Step-by-Step Solution
Total distance = 180 + 270 = 450 m; speed = 54 km/h = 15 m/s. Time = 450/15 = 30 s.
Answer: C) 30 s
A train 180 m long is running at 54 km/h. How long will it take to cross a platform 270 m long?
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