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A man in a train notices that he can count 41 telephone posts in one minute. If they are known to b

A man in a train notices that he can count 41 telephone posts in one minute. If they are known to be 50 meters apart, then at what speed is the train travelling?

  • Option 1)

    90 km/hr

  • Option 2)

    100 km/hr

  • Option 3)

    110 km/hr

  • Option 4)

    120 km/hr

  • Option 5)

    60 km/hr

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