DAY 18:

Today’s Challenge

If you calculated 7 + 14, then to that answer added 21, then 28, and kept on adding consecutive multiples of 7 to the previous total, what is the first answer you would reach that is greater than 250?

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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 1st & 7th rows of the playing board contain the following fourteen numbers:

2     4     9     11     14     15     22     24     27     30     40     70     72     77

Which even number, when adding 19 to it, becomes a square number?

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Answers

. . . can be found when clicking this.

7puzzleblog

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