railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Average Speed
If the speeds of a train in 10 successive hours are a1, a2, a3, a4, a5, a6, a7, a8, a9, and a10, then the average speed of the train is:
1
median of a1, a2, a3, a4, a5, a6, a7, a8, a9, and a10
2
geometric mean of a1, a2, a3, a4, a5, a6, a7, a8, a9, and a10
3
harmonic mean of a1, a2, a3, a4, a5, a6, a7, a8, a9, and a10
4
arithmetic mean of a1, a2, a3, a4, a5, a6, a7, a8, a9, and a10