


The Doctor’s Son
Below is a classic brain teaser that plays some of the same tricks that one sees on standardized tests, especially the GMAT and GRE. A boy is walking down the road with a doctor. While the boy is the doctor’s son, the doctor isn’t the boy’s father....
Find the Animal
In each of the sentences below, the name of an animal is concealed. The first sentence is marked so that you can see how the word “dog” is hidden. See if you can find the animal hidden in each of the other sentences! What shall I do, Gertrude? Asking nutty questions...
Round Trip Challenge
We love helping people think critically and solve problems—skills that are key to test success and beyond! This month’s brain teaser is a classic. Enjoy! If a car drives the 60 miles from San Jose to San Francisco at an average speed of 30mph, at what average speed...