DAY 133:

Today’s Challenge

A number puzzle to test your subtracting skills and knowledge of prime numbers.

Start at 100 and keep on subtracting consecutive prime numbers (first 2, then 3, followed by 5 . . . and so on).  What is the first answer that goes below 50?

.

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

From the list, what is the sum of the multiples of 7?

.

Answers

. . . can be found when clicking this.

7puzzleblog

This entry was posted in 7puzzleblog.com. Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *