A 180 m long train takes 15 seconds to cross a man standing on a platform. The speed of the train is :

10

m/sec

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12

m/sec

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15

m/sec

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20

m/sec

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Solution

The correct option is B $12$ m/sec
Speed = $\frac{180}{15} = 12$ m/sec

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A 180 m long train takes 15 seconds to cross a man standing on a platform. The speed of the train is :

The correct option is B 12 m/secSpeed = 18015=12 m/sec

The correct option is B $12$ m/sec
Speed = $\frac{180}{15} = 12$ m/sec