An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What country can make you shiver?

What is wrong in the below Picture?

It is always ahead of me yet I can never see it. What is it?

What has a bottom at the top?

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?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

What kind of storm is always in a rush?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?