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 Word Problem for TJ/AOS/SSAT Prep (Medium). Target Time. 25-40 seconds.

Two circus elephants are to climb ramps as shown in the figure below. Elephant A who can walk 3/4 m/sec starts climbing his 60 meter long ramp at 8 PM. 20 seconds later elephant B starts walking up his 80 meters long ramp. How fast must elephant B walk so he can reach the platform top where the ramps meet up for a cool trunk shake?