Today’s Challenge
Solve all four lines arithmetically by replacing the 16 ◯ ‘s below with digits 0-9, but each digit must only be inserted a maximum of TWICE in the whole challenge:
◯ + ◯ = 8 = ◯ + ◯
◯ + ◯ = 3 = ◯ – ◯
◯ + ◯ = 12 = ◯ × ◯
◯ + ◯ = 1 = ◯ ÷ ◯
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The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 3rd & 7th rows contain the following fourteen numbers:
4 11 13 24 25 27 30 36 42 45 66 70 77 80
What is the sum of the multiples of 12?
Answers can be found here.
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