Ultimate Brain Teasers

What has no beginning, middle or end but touches every continent?

In an abandoned house, there are 6 fish in a tank. 2 of them die. Now how many fish are there.

Tom's mum has 3 kids. Two of the kids names are June and July, what's the thirds kid's name?

There are 11 candles on a cake. Jeremy blows 7 of them out. How many candles are left?

What was the answer to the first question?