- A520 m
- B840 m
- C230 m
- D190 m
Step-by-Step Solution
Relative speed km/h m/s. In 52 s: 520 m = sum of lengths. Second train m. (840 m uses the full 81 km/h.)
Answer: D) 190 m
A 330 m train at 81 km/h overtakes another train running the same way at 45 km/h, taking 52 seconds. How long is the second train?
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