DAY 69:

Today’s Challenge

If the number sequence 5, 9, 13, 17, 21 . . . is continued, which is the only number from the following list that will appear later?

35    43    59    67    71    85    95

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 3rd & 5th rows contain the following fourteen numbers:

6   7   13   16   21   25   36   42   45   50   66   80   81   84

Is the sum of the even numbers more than double the sum of the odd numbers?

Make 69 Challenge

Can you arrive at 69 by inserting 2, 3, 4 and 7 into the gaps on each line?

  •  ◯²×◯+◯+ = 69
  •  ◯³+(◯+◯)÷ = 69
  •  (◯²+◯)×–double◯ = 69

Answers can be found here.

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