Banking Exams Quant — Question 1799
Question
A train 200 m long, running at 72 km/h, crosses a platform 250 m long. How long does it take?
- 20 s
- 22.5 s
- 25 s
- 27.5 s
Correct answer
B — 22.5 s
Explanation (English)
Speed = 72 × 5/18 = 20 m/s. Total distance = 200 + 250 = 450 m. Time = 450 / 20 = 22.5 s.
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