DAY 251

Today’s Challenge

Here’s a special 24game-type challenge with a difference.

Using the numbers 1, 3, 4 and 6 once each, together with + – × ÷ available, it is possible to make lots of different target numbers, not just 24.

For instance:

  • to make 1: (3+4–6) ×1 = 1
  • to make 2: (3+4–6) +1 = 2
  • to make 3: (6–4–1) ×3 = 3 . . . and so on.

Using the same four numbers, can you make the target numbers 6, 12, 18 and 24?

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

5     8     12     17     18     20     28     33     48     49     55     56     63     64

What is the sum of the multiples of 5?

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Answers

. . . can be found when clicking this.

7puzzleblog

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