defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Average Speed
A train covers 50% of the journey at 30 km/h, 25% of the journey at 25 km/h, and the remaining at 20 km/h. The average speed of the train for the entire journey is:
1
75 km/h
2
30 km/h
3
\(24 \frac{25}{47}\) km/h
4
\(25 \frac{25}{47}\) km/h