A

Admin • 832.52K Points
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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

  • (A) 35.55 km/hr
  • (B) 36 km/hr
  • (C) 71.11 km/hr
  • (D) 71 km/hr
  • Correct Answer - Option(C)
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  • Filed under category Math
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Explanation by: Admin

Total time taken = (160/64 + 160/8)hrs
= 9/2 hrs.
Average speed = (320 x 2/9) km.hr
= 71.11 km/hr.

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