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1. A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long ?
- A. 65 sec
- B. 65 sec
- C. 65 sec
- D. 65 sec
Answer: Option B
Explanation:
Hints : The train requires. 24 seconds to pass its length
Hence its speed is = 240 /24 m/s = 10 m/s
To pass 650m long platform it will pass total ( 650 + 240) or 890 m
So, time requires = 890/ 10 sec = 89 sec
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