Question:

A part has a code consisting of a digit, a letter, and a digit, such as 5C7 or 9G2. The factory made 5000 parts. Find the minimum number of parts that must have the same serial number.

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- November 20th 2007, 11:31 AMoldguyCombination / permutation Question
Question:

A part has a code consisting of a digit, a letter, and a digit, such as 5C7 or 9G2. The factory made 5000 parts. Find the minimum number of parts that must have the same serial number. - November 20th 2007, 01:01 PMPlato
- November 20th 2007, 01:42 PMoldguy
Thanks, I got the same answer. Out of 5000 parts 2600 will have unique numbers and 2400 will not.