DSSSB · Mathematics

A car travels from city M to city N at a speed of 76 km/hr and returns at a speed of 66 km/hr. What is the average speed of the car for the entire trip (rounded off to two places of decimal)?

  1. 69.48 km/hr
  2. 67.25 km/hr
  3. 70.65 km/hr
  4. 72.38 km/hr
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