Today’s Challenge
From the numbers 1-20, eliminate all:
- square numbers
- prime numbers
- triangular numbers
- multiples of 6
When adding together the numbers that remain, what is your total?
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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 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
From this list, what is the sum of the multiples of 8?
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Answers
. . . can be found when clicking this.
