DAY 353

Today’s Challenge

. . . is a tougher target challenge where two decimal numbers plus two double-digit numbers are present in your calculation.

Using each of the numbers 0.5, 0.5, 10 and 12 once each, with the four arithmetical operations + – × ÷ available, can you arrive at the target answer of 7?

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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 columns of the playing board contain the following fourteen numbers:

5     7     9     24     28     30     32     36     40     49     50     54     64     66

How many more square numbers than prime numbers are listed above?

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Answers

. . . can be found when clicking this.

7puzzleblog

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