Problems on Trains · Question 16 · Easy
A 280 m long train passes a pole in 14 seconds. How long will it take to cross a 420 m long platform at the same speed?
- 49 seconds
- 21 seconds
- 35 seconds
- 28 seconds
Answer and explanation
Answer: C. 35 seconds
Explanation: Speed = 280 ÷ 14 = 20 m/s. To cross the platform it covers 280 + 420 = 700 m, taking 700 ÷ 20 = 35 seconds.
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