Q. 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
✅ Correct Answer: (C)
71.11 km/hr
Explanation: Total time taken = (160/64 + 160/8)hrs
= 9/2 hrs.
Average speed = (320 x 2/9) km.hr
= 71.11 km/hr.
Explanation by: Rohit Singh
Total time taken = (160/64 + 160/8)hrs
= 9/2 hrs.
Average speed = (320 x 2/9) km.hr
= 71.11 km/hr.
= 9/2 hrs.
Average speed = (320 x 2/9) km.hr
= 71.11 km/hr.