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Professor shortcut records his grades using only his students first and last initials. What is the smallest class size that will definetly force Pro . to use a different system

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4 votes

Answer:

Explanation:

There are 26 possibiliteis of the first and last initials. So there are
26* 26 different initials.

So the smallest class size to ensure the Prof to use different system is
(26* 26)+1 since there must be two people in this class with the same first and last initials.

User Pete Warden
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