Not Even A Harvard Grad Could Ace This Extremely Difficult Brainteaser Quiz

Some months have 30 days and some have 31 days. How many have 28 days?

Which is proper English to say, "The yolk of the egg is white"or, "The yolk of the egg are white?"

When is it legal for a man to marry his widow's twin sister?

If an electric train traveling westward at 40mph meets a 25mph eastward head wind, what is the difference in speed between the train and the smokestack?

During a race, once you pass the 3rd fastest runner, you are in what position?

A doctor walks into an operating room and after looking at a patient says, "I can't operate on him, he's my son. "The doctor is not the patient's father. Is this possible?

How many times can you subtract 10 from 100?

When is it legal for a person living in California to be buried in a neighboring state?

Jenny's mother has three children. The oldest was named May. The youngest child was named July, and logically, the third child would be named...