This month we have another classic-style brain teaser. This one requires some creative problem solving. The answer is a surprisingly small number, so give yourself a chance to work it out and don’t jump right to the answer! You have 9 marbles. 8 have the same weight...
Ashley and Cassandra drove their cars along the same route for 400 miles and then stopped at a gasoline station, where each purchased exactly the amount of gasoline needed to fill her car’s gasoline tank to capacity. If both cars began with full gasoline tanks,...
This month we have another classic-style brain teaser. This one requires some math, but as usual, it also requires some clever problem-solving and reasoning! Enjoy! Two trains leave two towns that are 100 miles apart. They travel toward each other at rates of 30 mph...
As is often the case, this month’s brain teaser has a lot in common with typical, hard GMAT and GRE questions in ways that are explained in the solution to the question. This is another good one! Enjoy! Gary and Barry race in a 50 yard dash. Gary wins by 5 yards. They...
This month, for the first time, we are using an official question from the new version of the GMAT as our monthly “brain teaser”. As anyone who knows the GMAT will be able to tell, it’s indistinguishable from questions that appeared on the “Classic GMAT,” but if you...
