Why do people go to bed?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

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

Move three sticks of the spiral below to form a square.

The answer I give is yes, but what I mean is no. What was the question?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Using eight eights and addition only, can you make 1000?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?