- A20
- B12
- C8
- D24
Step-by-Step Solution
63 km/ m/s. Distance = 210 + 140 = 350 m, so time = 350 ÷ 17.5 = 20 seconds.
Answer: A) 20
A 210 m long express runs at 63 km/h. How long will it take to pass completely through a station platform 140 m long? (answer in seconds)
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