DAY 125:

Today’s Challenge

Using the numbers 3, 4 and 5 just once each, and with + – × ÷ available, only four of the numbers on the list below are possible to achieve. Which ones are they?

1      3      6      9      10      12      15      18      21      24      27      30

Full details of our popular arithmetic & strategy board game can be found at it’s own dedicated website, mathematicallypossible.com.

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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 multiple of 5, when subtracting 4 from it, becomes a square number?

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Answers

. . . can be found when clicking this.

7puzzleblog

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