DAY 314

Today’s Challenge

These number puzzle challenges from the excellent American maths card game, 24game, can be both frustrating and addictive.

Today’s task is to try and arrive at the target answer of 24 from each of the following seven groups of numbers by using the four digits once each and with + – × ÷ available.

Unfortunately, it is impossible to reach 24 with one of these seven groups; but which one?

  •   2     2     2     3
  •   2     2     2     4
  •   2     2     2     5
  •   2     2     2     6
  •   2     2     2     7
  •   2     2     2     8
  •   2     2     2     9

Got an answer? Leave a comment below or e-mail me at paul@7puzzle.com.

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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 2 up to 84.

The 2nd & 5th rows of the playing board contain the following fourteen numbers:

6     7     8     16     17     21     28     48     50     55     63     64     81     84

What is the sum of the multiples of 7?

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Answers

. . . can be found when clicking this.

7puzzleblog

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