Mental Floss. There's only one that isn't a trick.

1. A man dove into the water with no tank, no snorkel, or any other device which allowed him to breathe, yet he stayed down there to live for the rest of his life. How is this possible?
2. What is unique about this sentence? (Aside from the fact that it is mostly gibberish. It is, however a grammatically correct sentence.)

"Hardest threads form from sanest assent, ideas aside."
3. Add one line to the Roman numeral below to make it into an even number.

IX
4. A doctor and a bus driver are both in love with the same woman, an attractive girl with the unusual name of Pibbles. The bus driver had to go on a long bus trip that would last a week. Before he left, he gave Pibbles seven apples. Why?
5. (anagrams) What is the longest word you can make from these letters?   PACHINKO
6. Add one straight line to make this equation true (in England anyway):     20 10 5 = 4.40

Test #13.