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Easy Brain Teaser 1: Quick Chores

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Difficulty Level: Easy

Two children have the following chores to do, before they will be allowed to play Halo 3.

  1. Mow the lawn.
  2. Wash the dishes.
  3. Wash the car.

When done by one child each of these chores will take 1 hour to complete.  If they were to start at 9am how would they be able to finish their chores in the shortest amount of time possible, given that the two children can not work on the same chore at the same time?

Comments

  • Anonymous
    February 28, 2008
    1.5 hours or 10:30 am 9am:  Child 1: 30min on lawn mowing  Child 2: 1 hour wash dishes 9:30am:  Child 1: 1 hour wash car 10am:  Child 2: 30min on lawn mowing 10:30am: Both finish

  • Anonymous
    March 03, 2008
    The comment has been removed

  • Anonymous
    April 24, 2008
    I was waiting for the BizTalk Orchestration solution :)