What Color is Your Hat?

Brain Teasers

Three men, who are not wearing glasses, are placed in a room without mirrors. The men are told to close their eyes and then a hat is placed on each of their heads. The hat is either red or green in color. Once the hats are in place they are told to open their eyes....

Giving Away Money

Brain Teasers

This month is the first time we are introducing an official GRE question as our monthly brain teaser. The below question is yet another example of how reasoning often trumps knowledge on standardized tests and how the questions can sometimes resemble brain teasers in...

Drive Time

Brain Teasers

This month’s brainteaser is very conceptual and therefore does NOT require much time. Give it a try! You leave Atlanta at 8am on Sunday morning and arrive in Detroit at 8pm that same day. You take breaks on the 12 hour journey and you change speeds throughout the...

What’s the Word?

Brain Teasers

This month we come back to a challenge that favors the more “verbally-inclined.” Some of the below are pretty easy and some are hard…see how many you can get: Each phrase below consists of a number and the first initials of words. Supply the missing words to complete...

Interest Rate

Brain Teasers

In this month’s “brain teaser,” we present an official GMAT question. While thinking about this question, it’s critical to remember/understand that the GMAT does not allow a calculator on the Quantitative Section, so this question must be able to be solved without...