DAY 22:

Today’s Challenge

. . . is a Kakuro-type puzzle.  Apart from 9321 (or 9+3+2+1), there are FIVE other ways of combining and adding together four unique digits from 1-9 to make 15.  Can you list those five ways?

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

What is the sum of the factors of 60?

Make 22 Challenge

Can you arrive at 22 by inserting 3, 4, 5 and 6 into the gaps on each line?

  •  ◯×◯+◯÷◯ = 22
  •  ◯×◯+◯–◯ = 22
  •  ◯×◯×◯÷◯–0.5 = 22

Answers can be found here.

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