A man covers half his Journey at 6 km /hr. and remaining half at 3 km /hr His average speed is?
A. 4.5 km/hr.
B. 4 km/hr.
C. 6 km/hr.
D. 8 km/hr.
Answer:B
A man covers half his Journey at 6 km /hr. and remaining half at 3 km /hr His average speed is?
A. 4.5 km/hr. B. 4 km/hr. C. 6 km/hr. D. 8 km/hr.