2021 JMPSC Accuracy Problems/Problem 7
Revision as of 16:21, 11 July 2021 by Mathdreams (talk | contribs)
Contents
[hide]Problem
If , , and each represent a single digit and they satisfy the equation find .
Solution
Notice that can only be and . However, is not divisible by , so Thus,
~Bradygho
Solution 2
Clearly we see does not work, but works with simple guess-and-check. We have , so and . The answer is
~Geometry285
See also
The problems on this page are copyrighted by the Junior Mathematicians' Problem Solving Competition.