DAY 94:


Today’s Challenge

Using the numbers 3, 5 and 5 once each, with + – × ÷ available, which four numbers from the following list are not mathematically possible to make?

1     2     3     4     7     10     13     15     18     20     22     25     28     30

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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 2 up to 84.

The 6th & 7th rows of the playing board contain the following fourteen numbers:

4     5     11     12     18     20     24     27     30     33     49     56     70     77

What is the difference between the two prime numbers are on the list?

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Answers

. . . can be found when clicking this.

7puzzleblog

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