Q127
A man on tour 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.
35.55 km/hr
B.
36 km/hr
C.
71.11 km/hr
AnswerD.
71 km/hr
Answer: Option C
Solution
Answer: Option C
Solution: