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A 110 m long train takes 3 seconds to pass a pole. How long is the platform if the train passes it in 15 seconds?

Solution

Correct Option: 1

Speed of train =110/3= 110/3 m/s. For platform length xx: (110+x)/(110/3)=15(110 + x)/(110/3) = 15. So 330+3x=1650330 + 3x = 1650, giving 3x=13203x = 1320, x=440x = 440 m.

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