Today’s Challenge
If you calculated 7 + 14, then to that answer added 21, then 28, and kept on adding consecutive multiples of 7 to the previous total, what is the first answer you would reach that is greater than 250?
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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 & 7th rows of the playing board contain the following fourteen numbers:
2 4 9 11 14 15 22 24 27 30 40 70 72 77
Which even number, when adding 19 to it, becomes a square number?
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Answers
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