DAY 50:

Today’s Challenge

Using the numbers 4, 5 and 6 once each, together with + – × ÷, find the THREE target numbers from the following list that it is NOT mathematically possible to make:

2     3     4     5     6     7     10     12     14     15     19     20     26     29     30

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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

What is the difference between the highest and lowest multiples of 7?

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Answers

. . . can be found when clicking this.

7puzzleblog

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