- A400 m
- B350 m
- C250 m
- D300 m
Step-by-Step Solution
The extra 150 m takes 10 s → 15 m/s. In 50 s it covers 750 m, so the train m.
Answer: B) 350 m
A train passes a 400 m bridge in 50 seconds and a 250 m bridge in 40 seconds. How long is the train?
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