DAY 265

Today’s Challenge

. . . is a typical challenge from the excellent American maths card game, 24game.

Using the four numbers 2, 4, 4 and 9 once each, with + – × ÷ available, can you arrive at the target number of 24?

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The 7puzzle Challenge

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

The 1st & 5th rows contain the following fourteen numbers:

2     6     7     9     14     15     16     21     22     40     50     72     81     84

Which two numbers, when 16 is added to them, each become a square number?

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Answers

. . . can be found when clicking this.

7puzzleblog

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