- A32.4 km/h
- B21.6 km/h
- C45 km/h
- D54 km/h
Step-by-Step Solution
Platform m. Distance m in 25 s m/s km/h. (32.4 uses only the platform; 21.6 only the train.)
Answer: D) 54 km/h
A 150 m train crosses a platform one and a half times its own length in 25 seconds. What is its speed?
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