Monthly Archives: February 2018

DAY 49:

Today’s Challenge You roll two normal six-sided dice, both containing the numbers 1-6.  If you multiplied the two numbers that show, how many DIFFERENT answers is it possible to obtain? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid … Continue reading

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DAY 48:

Today’s Challenge What is the biggest integer (whole number) less than 630,000 that can be written using all of the six digits from 1 to 6? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging … Continue reading

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DAY 47:

Today’s Challenge If you multiply a certain number by 3 and then add 30, the result is the same as if you first added 17 to this number and then multiplied by 2. Is the value of this number 1, … Continue reading

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