DAY 352

Today’s Challenge

Follow the rules below and eliminate every number from a given list, except one. Which number will be the last one to remain?

List the multiples of 10 from 10 to 100 inclusive, then eliminate:

  • multiples of 4
  • factors of 100
  • multiples of 3

Which is the only number that remains?

.

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 multiples of 4 are listed?

.

Answers

. . . can be found when clicking this.

7puzzleblog

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