Difficulty Level: Hard
Stats: 1,834 / 5,261 ( 34.86% ) got this right

12 men can complete some work in 18 days. Six days after they started working, 4 more men joined them. How many days will all of them be working together to complete the remaining work?

  • 8
  • 9
  • 10
  • 11
  • 12