defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Average Speed
Nikhil covers 1000 km by plane at 250 km/hr, 600 km by ship at 60 km/hr, and 800 km by train at 40 km/hr, what is Nikhil's average speed during the entire journey?
1
\(60 {1\over17}\) km/hr
2
\(70 {10\over17}\) km/hr
3
55km/hr
4
62km/hr