1.

A train travels first 160 Km at 64 Km/hr and the next 160 Km at 80 Km/hr. The average speed for the first 320 Km of the tour is

A. 57.24 km/hr
B. 71.11 km/hr
C. 78.32 km/hr
D. 91 km/hr
Answer» C. 78.32 km/hr


Discussion

No Comment Found