You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What do you answer even though it never asks you questions?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

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

Can you find the missing piece of the Porsche?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

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

What does does this rebus picture means ?

Buy me, smell me or deliver me, I do not change.

Who am I?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?