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A train 600 meters long is running at a speed of 90 kms/hr. If it crosses a tunnel in one minute, then the length of the tunnel is:
500 meters
550 meters
600 meters
900 meters
Distance = 600m speed= 90km/h = 25m/s let the length of the tunnel be 'x'm 600m + xm/ 25m = 60sec (1min= 60secs) = 1500 m length of the tunnel = 1500m - 600m = 900m
By: Amit Kumar ProfileResourcesReport error
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