A train, 800 meter long is running with a speed of 78 km/hr. It crosses a tunnel May 24, 2022 by admin โช Choose the correct option.A train, 800 meter long is running with a speed of 78 km/hr. It crosses a tunnel in 1 minute. What is the length of the tunnel ?A. 650 meterB. 555 meterC. 500 meterD. 458 meter Submit Answer