Problem of the Week

A new problem every Monday that challenges participants of all ages to think creatively and apply their math skills. Perfect for a weekly mental challenge.

Create a 10-digit numbers using the digits 0 – 9 once and only once such that the first digit (leftmost digit) is divisible by 1, the first two digits (leftmost) are divisible by 2, the first three digits from the left are divisible by 3, and continue until the first 9 digits from left create a number divisible by 9 and the ten-digit number is divisible by 10.


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