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.

A Rate Problem for TJ/AOS/Blair Test Prep Problem (Easy).

Two pumps are connected to fill a large tank. The smaller pump can fill the tank in 8 Hrs. Working together, the larger and the smaller pump take 3 Hrs. How many Hrs will the larger pump alone take to fill the tank?