DAY 132:

Today’s Challenge

The 14 arithmetical steps below include some percentage calculations, big additions & multiplications as well as a square root calculation.  Start with the number 28, then:

  • subtract seventy-five percent
  • +69
  • –4
  • 1/2 of this
  • square root of this
  • ×15
  • multiply by one
  • +80%
  • –10
  • add four hundred and sixty-five
  • subtract forty-five
  • fifty percent of this
  • +231
  • subtract seven

What is your final answer?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from up to 84.

The 3rd & 6th rows of the playing board contain the following fourteen numbers:

5     12     13     18     20     25     33     36     42     45     49     56     66     80

Which of these numbers, when 65 is added to it, becomes a square number?

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Answers

. . . can be found when clicking this.

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