olymmath

AIME 2020a Problem 7

  • Paper
  • Answer

A club consisting of 1111 men and 1212 women needs to choose a committee from among its members so that the number of women on the committee is one more than the number of men on the committee. The committee could have as few as 11 member or as many as 2323 members. Let NN be the number of such committees that can be formed. Find the sum of the prime numbers that divide N.N.

Dataset text AIME 1983 to 2026. Quoted with source.

Show the answer

81

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.

Add a solution

Locator aime/2020a/p7 · Tag YQRZ5X1YS2 · Edit this page on GitHub · Keys: j next, k previous