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.

Second Greatest

Posted: December 2, 2024

61 % of users got this correct

Find the second greatest ten-digit positive multiple of twelve using each digit once and only once. For example, for two-digit number 96 is the greatest multiple of 12 and 84 is the next greatest. For this problem you must have a ten-digit number that uses each digit (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) once and only once in the ten-digit number.

View Past Problems