Jimmy Johnson

Jimmy Johnson likes 400, but hates 300.
He likes 100, but not 99.
He also likes 2500, but hates 2600.
Now which one of these numbers did he like, and why?

1100, 900, 650, 1200, or 1000?

 

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May 1st, 2011 | Category: Brain Riddle, Mathematical |  Email This Riddle

4 guesses to Jimmy Johnson

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• karma6x3

  May 2, 2011 at 2:43 AM

  1100 cause he hates any set or multiple of 3?

• Dude

  May 2, 2011 at 2:01 PM

  Nope, that’s not it. Keep trying.

• Tiffy

  May 14, 2011 at 10:38 PM

  900, because he likes either perfect squares or numbers with perfect squares and two zeroes. :)

• Dude

  May 15, 2011 at 10:12 AM

  You’re correct, Tiffy!

  He likes 900, because he likes integer square roots. 20×20=400, 10×10=100, 50×50=2500, 30×30=900

  You’re today’s winner.