DSSSB · Mathematics

During a trip, a vehicle travels on three road sections of length 40 km, 50 km and 60 km at speeds v km/hr, 2v km/hr and 3v km/hr respectively. If the vehicle takes a total of 4 hours to complete the journey, what will be the value of v?

  1. 25.21
  2. 22.15
  3. 21.25
  4. 23.22
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