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A train 120 m long crosses a pole in 9 seconds. Speed in km/h?
Answer & Solution
Correct answer: D.
1. Speed = distance / time = 120 / 9 m/s.
2. Convert: 120/9 × 18/5 = 120·18 / (9·5) = 2160/45 = 48 km/h.
3. Answer: 48 km/h.
_Source: TSICET 2024 PYQ Q.85 (Shift 1, Speed and Distance)_