DSSSB · Mathematics

A bird flies 600 km, out of which it covers the first 150 km at a speed of 100 km/hr, the second 150 km at a speed of 200 km/hr, the third 150 km at a speed of 60 km/hr and the last 150 km at a speed of 75 km/hr. Find the average speed of the bird (in km/hr, rounded to 1 decimal place).

  1. 90.6
  2. 85.4
  3. 89.8
  4. 88.9
Answer and detailed solution are available in the protected study screen.
Register or login to attempt