AMC 10 Step by Step
2024 AMC 10AProblem 19P16-20~6 minPrint

The first three terms of a geometric sequence are the integers a,720a, 720 and bb , where a<720<ba < 720 < b . What is the sum of the digits of the least possible value of bb ?

Log in to save your progress.

Similar problems

Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.