Civil Service Exam Reviewer · Word Problems · hard
A train 210 m long travels at 36 km/h. How long does it take to completely cross a bridge 250 m long?
- 46 seconds
- 25 seconds
- 21 seconds
- 165.6 seconds
Answer
A. 46 seconds
Solution
36 km/h = 10 m/s. Distance = 210 + 250 = 460 m. Time = 460 ÷ 10 = 46 s.
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