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Five Coloured Shirts

Logic puzzles require you to think. You will have to be logical in your reasoning.


Puzzle ID:#38450
Fun:*** (2.79)
Difficulty:*** (2.44)
Submitted By:shenqiangAcn****!!




Every day from Monday through Sunday in this week, Mr. Peter picks two shirts from the five colours red, blue, yellow, green and black. Peter follows the rules:
1. Peter doesn't use the same combination on two days of this week.
2. Peter doesn't use the same colour on two consecutive days of this week.
3. Peter uses some colour on four days.
4. Peter uses blue and black on Monday.
5. Peter uses green on Thursday.
6. Peter doesn't use yellow on Friday.
7. Peter doesn't combine red with black.

What colours does Peter use on Saturday?

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Sep 25, 2007

wow! thats a toughy! good one though!
Oct 08, 2007

Mr. Peter is a veeeeeeery funny man.... (:
Oct 28, 2007

great teaser, got my brain working. My only concern is for Mr. Peter and his need to wear 2 shirts everyday...
Dec 11, 2007

Great teaser!
Took me a while to realize I was going to have to have either black or blue on Wed, Fri and Sun in order to avoid having the 4-day color next to a day of same color. I recognized one color would be 4 days, 2 colors would be 3 days and 2 colors would be 2 days and still had a hard time realizing that. Once I got over that hump, it was all downhill. Thanks for a fun morning!
Jul 02, 2008

HAHA!! Peter NEEDS to get over his weird habits! But thanks for sharing!!!

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