olymmath

HMMT November 2010 T1

  • Team
  • Answer

Travis is hopping around on the vertices of a cube. Each minute he hops from the vertex he's currently on to the other vertex of an edge that he is next to. After four minutes, what is the probability that he is back where he started?

Dataset text NuminaMath olympiads. Quoted with source.

Show the answer

\frac{7}{27}

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

Similar problems

These problems have the most words in common with this statement.

Locator hmnt/2010/t1 · Tag WRE85EN27R · Edit this page on GitHub · Keys: j next, k previous