DAY 119:

Today’s Challenge

Using the numbers 3, 6 and 6 just once each, and with + – × ÷ available, which three of the following target numbers are NOT mathematically possible to achieve:

1     2     3     4     6     8     9     12     15     18     21     24

This is from our innovative board game, Mathematically Possible, details of which can be found by visiting the game’s own website.

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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 5th & 6th rows of the playing board contain the following fourteen numbers:

5     6     7     12     16     18     20     21     33     49     50     56     81     84

If you add 50 to one of the above, it becomes a square number. Which one?

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Answers

. . . can be found when clicking this.

7puzzleblog

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