DAY 26:

Today’s Challenge

From the numbers 50-100 inclusive, eliminate all multiples of 5, prime numbers, even numbers and multiples of 3. What is the sum of the two numbers that remain?

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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 3rd & 6th rows of the playing board contain the following fourteen numbers:

5     12     13     18     20     25     33     36     42     45     49     56     66     80

What is the difference between the two multiples of 10?

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Answers

. . . can be found when clicking this.

7puzzleblog

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