2023 AIME I Problems/Problem 1
Problem
Note: This is not official (I am posting this because the AIME I is officially over). Please post official problem statement after it is released.
There are five men and nine women randomly arranged in a circle. Let be the probability that every man stands diametrically opposite from a woman.
Find .
Solutions
Solution 1
Use combinatorics
Solution 2
Something else
See also
2023 AIME I (Problems • Answer Key • Resources) | ||
Preceded by First Question |
Followed by Problem 2 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
All AIME Problems and Solutions |