R I DD L e? - dd ls magazine
Three colleagues want to know their average salary. However, they are aware and do not want to say to others their own salaries, for fear of ridicule or looted their houses. What is their average salary, without information about their own salaries?
Sunday, February 14, 2010
Dd Ls Magazine R I DD L E?
1 comment:
How about a person, a figure that his salary, plus a random amount of said (AS + AR) and gives it to B, C, B adds then added, without having his salary, plus a random amount (LS + BR) go and by C (each step in writing a new role and do not show the 3rd person). CS adds C + CR and goes to A. Now, subtract a random number (RA), go to B. B and C depending on your number, subtract occur by chance. According to C shows the results and divide by 3.
As already mentioned, there is no way to test the system liar.
It is interesting to note that, once they know the average, none of them know that the sum of 2 other people
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