TJ Prep Problems

TJ test prep practice problems  for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

TJ Prep- A Medium Counting Problem. Target Time 30-45 seconds.

Four roads connect Motown to Centerton while five roads connect Centerton to Yotown. If you must travel from Motown to Yotown via Centerton and return to Yotown with the restriction that you cannot travel on the same road twice. How may different ways are there for your round trip road trip?