A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is

A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is Correct Answer 1250

speed    = (5x5/18)m/sec             = 25/18 m/sec.

Distance covered in 15 minutes    = (25/18 x 15 x 60)m                                                 = 1250 m.

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