2021 JMPSC Accuracy Problems/Problem 7
Revision as of 12:25, 11 July 2021 by Geometry285 (talk | contribs)
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 the number
. 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