2024 SSMO Relay Round 1 Problems
Problem 1
Let be an altitude of triangle
and let
be an altitude of triangle
If
and
what is the area of triangle
Problem 2
Let A circular necklace is called
if it has
black beads and
white beads. A move consists of cutting out a segment of consecutive beads and reattaching it in reverse. It is possible to change any
necklace into any other
necklace using at most
moves. Find
. (Note: Rotations and reflections of a necklace are considered the same necklace).
Problem 3
Let In a circle, there are
people.
of them have red shoes, and two of them have blue shoes. First, they will randomly eliminate somebody from the circle. Then, they will randomly eliminate somebody with red shoes from the circle, and the cycle repeats until there is only one person left. If the probability this person has blue shoes is
for relatively prime positive integers
and
find