DSSSB · Mathematics

Two persons, P and Q, can complete a work working alone in 12 days and 6 days respectively. If they work together, how many days will it take to complete the work?

  1. 5 days
  2. 6 days
  3. 4 days
  4. 8 days
Answer and detailed solution are available in the protected study screen.
Register or login to attempt