defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Problem on Trains
A train moving at 78 km/h crosses a tunnel in 45 seconds and it crosses a man moving at 6 km/h in the same direction in 15 seconds. What will be the length of the tunnel?
1
550 m
2
720 m
3
675 m
4
430 m