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One of the residents of a senior citizens home is 104 years old. However, he received a letter addressed to his parents, asking them to enroll him in kindergarten for the following year.

Which of the following, if true, best resolves the above paradox?

Incorrect.

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The fact other senior citizens received the same letter shows this to be a broader error, but the paradox itself remains unresolved. We still don't know why a 104 year old is requested to go to kindergarten.

Incorrect.

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The fact that children between the ages of 2 and 6 must go to kindergarten doesn't explain why a 104 year old is asked to go there.

Incorrect.

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The fact that the senior citizen in question didn't go to kindergarten as a child does not explain why he is called there at the age of 104 and why the letter addressed his parents.

Incorrect.

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Notice that the letter is addressed to the senior citizen's parents and that it requires them to enroll him, meaning that he is mistakenly thought to be one of the kids.

Right you are!

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If the computer system has only two digits, then even though the person in question is 104, the computer "thinks" the senior citizen is actually 04 years old! Now it makes perfect sense that his parents are asked to send him to kindergarten.

Two of the senior citizen's neighbors received a similar letter.
Kindergartens in the discussed state are mandatory for all those between 2 and 6 years of age.
The senior citizen in question had never been to kindergarten as a child.
A new project encouraging senior citizens to teach and play with kindergarten children has recently opened  in the neighborhood.
The computer system which sent the letter has only two digits for age.