one fourth of a certain Journey is covered at the rate of 25 km /per hour . One third at the rate of 30 km/ per hour and the rest at 50 km /per hour. find the average speed of the whole journey.

Averages

  • Ravi Gupta
  • Ravi Gupta
  • |
  • 07 மார்ச்
  • |
  • 186 பார்வைகள்
  • |
  • 8 பதில்கள்


CAT