Here’s a simple arithmetic question: A bat and ball cost a dollar and ten cents. The bat costs a dollar more than the ball. How much does the ball cost?
If a rooster lays an egg on the peak of the barn roof and the peak of the roof is oriented from north to south but the prevailing winds come from the west to the east, which side of the roof will the egg roll off of?
I can explain it to you but I can't understand it for you.
"Any man who thinks he can be happy and prosperous by letting the Government take care of him; better take a closer look at the American Indian." - Henry Ford
Corruptissima re publica plurimae leges; When the Republic is at its most corrupt the laws are most numerous. - Publius Cornelius Tacitus
That's an interesting article, but I think they're looking in the wrong direction... These types of questions are solved more easilly by those with a love of puzzles and riddles. Those that don't have time for simple trivialities like that are more prone to the intellectual mistakes shown in the article.
At least, that's my opinion.
"Whatever you are, be a good one." ~ Abraham Lincoln