A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

When it is alive we sing, when it is dead we clap our hands. What is it?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What will you call your mother's brother's brother-in-law?

I taste better than I can smell. Who am I?