Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What is the word or phrase?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What is full of holes but still holds water?

Move four matchsticks to the below square to form three squares?