Civil Service Exam Reviewer · Word Problems · hard
A train 120 m long travels at 108 km/h. How long does it take to completely cross a bridge 360 m long?
- 16 seconds
- 12 seconds
- 4 seconds
- 57.6 seconds
Answer
A. 16 seconds
Solution
108 km/h = 30 m/s. Distance = 120 + 360 = 480 m. Time = 480 ÷ 30 = 16 s.
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