Today’s Challenge
Start at 180 and subtract 1. Then subtract 2, followed by 3, then 4 and continue subtracting consecutive whole numbers until you first hit an answer less than 50.
What is this number?
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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 & 2nd rows of the playing board contain the following fourteen numbers:
2 8 9 14 15 17 22 28 40 48 55 63 64 72
What is the difference between the highest and lowest square numbers?
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Answers
. . . can be found when clicking this.
