- A40 s
- B24 s
- C35 s
- D30 s
Step-by-Step Solution
Speed m/s; 18 km/h more m/s more → 20 m/s. Time s. (40 s keeps the old speed.)
Answer: D) 30 s
A 225 m train takes 15 seconds to pass a lamp post. If it ran 18 km/h faster, how long would it take to clear a 375 m platform?
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