DAY 37:

Today’s Challenge

If you add 1+4, then to that answer add 9, then keep on adding consecutive square numbers to the previous total, what is the first answer you reach that is greater than 200?

(Hint: Square numbers are 1 (1×1), 4 (2×2), 9 (3×3) … and so on.)

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 1st & 4th rows of the playing board contain the following fourteen numbers:

2   3   9   10   14   15   22   32   35   40   44   54   60   72

What is the sum of the factors of 30?

Make 37 Challenge

Can you arrive at 37 by inserting 1, 3, 5 and 7 into the gaps on each line?

  •  ◯×◯+◯– = 37
  •  (◯+◯)×◯+ = 37
  •  (◯+◯)×◯– = 37
  •  ◯²–◯×(◯–◯) = 37
  •  ◯²+◯×(◯–◯) = 37

Answers can be found here.

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