DAY 233

Today’s Challenge

Firstly, write down three separate lists of numbers only containing numbers from 1-100:

  •  List 1 – multiples of 9
  •  List 2 – factors of 108
  •  List 3 – triangular numbers

Part 1: Which is the only number present on all three lists?

Part 2: List the eight other numbers that are on exactly two of the lists?

Part 3: How many different numbers are listed altogether?

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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 2nd & 4th rows of the playing board contain the following fourteen numbers:

3     8     10     17     28     32     35     44     48     54     55     60     63     64

From the list, what is the sum of the even numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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