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Joe likes 2025 but not 2024; he likes 529 but not 530; he likes 400 but not 500. Which does Joe like - 3600 or 3700? Why?

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    $\begingroup$ Can you comment on the second answer that I provided or provide more clarity or hints $\endgroup$ – skv Nov 13 '14 at 9:19
  • $\begingroup$ To answer your question I would have to submit the answer to the people that requested it from me. Since I never solved it I don't feel appropriate to provide the answer to them. Therefore we will never know which is the correct answer. $\endgroup$ – Zidan Silverlane Nov 14 '14 at 2:10
  • $\begingroup$ Since the asker has no idea what the answer is I propose closing this as primarily opinion based $\endgroup$ – skv Nov 14 '14 at 7:26
  • $\begingroup$ Seconded. Why post a puzzle you don't know the solution for? $\endgroup$ – Psychemaster Nov 14 '14 at 9:28
  • $\begingroup$ Well I didn't know I had to know the answer to the puzzle. Sorry, I guess I should have learned the forum rules. $\endgroup$ – Zidan Silverlane Nov 15 '14 at 18:40
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He likes 3600 because that is a perfect square (60*60) like the other numbers.

2025 = 45*45

529 = 23*23

400 = 20*20

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  • $\begingroup$ so there's another answer...hummmm $\endgroup$ – Kelvin Barsana Nov 13 '14 at 2:09
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Another response similar to the answer given earlier

When you add the digits in the numbers he likes it results in perfect squares so he likes 3600

2+0+2+5 =9

5+2+9=16

4+0+0=4

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  • $\begingroup$ That's a very interesting answer. Correct tho. $\endgroup$ – Zidan Silverlane Nov 14 '14 at 2:07

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