We recently highlighted the legendary Martin Gardner, a well-known author of riddles and puzzles. Below we share two of his brain teasers. Below, we’re excited to share two of his classic brain teasers. Dive in and enjoy the fun! THE MISPELLED WORD Somewhere on this...
Ben has 30 pencils in a box. Each of the pencils is one of 5 different colors, and there are 6 pencils of each color. If Ben selects pencils one at a time from the box without being able to see the pencils, what is the minimum number of pencils that he must select in...
When an old tree was felled, a very thin ring was detected among the oldest rings in the stump. When the width of rings, each corresponding to one year`s growth, was correlated with local rainfall records, it was found, as expected, that thicker rings had occurred in...
Once again we’re trying to illustrate the brain-teaser-esque nature of GMAT, GRE, SAT, and ACT questions. It tends to be easier to do that with Quantitative questions, but we wanted to illustrate the level of reasoning and critical thinking ability needed for Verbal...
Select for a and for b values such that the equation x/a=x-b has more than one solution for x. Make only two selections, one in each column. Answer:A=1 and B=0. This is a GMAT question from the Data Insights section and is technically not a brain teaser, but it is...
