DAY 256

Today’s Challenge

Start at 7 and subtract 0.1, then 0.2, then 0.3 . . . and so on.  What is the first answer you will arrive at that is below 1?

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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 3rd & 7th rows contain the following fourteen numbers:

4     11     13     24     25     27     30     36     42     45     66     70     77     80

How many multiples of 3 are listed?

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Answers

. . . can be found when clicking this.

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