DAY 237

Today’s Challenge

Simply, what is the sum of the first ten odd numbers?

When getting to the above answer, you’ve also found the sum of the first two, three, four, five, six, seven odd numbers, etc.  What do you notice about all these answers?

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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

What is the difference between the totals of the odd numbers and even numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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