DSSSB · Mathematics

Poonam covered one-fourth of a certain distance at a speed of 60 km/hr, one-third of the remaining distance at 50 km/hr, and the rest of the distance at 40 km/hr. Find Poonam’s average speed for the entire journey. (Round off your answer to two decimal places.)

  1. 44.23 km/hr
  2. 42.68 km/hr
  3. 40.25 km/hr
  4. 46.15 km/hr
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