Puzzle for brilliants and intelligents. Do solve it if you can ?

What is black when you buy it, red when you use it, and gray when you throw it away?

Solve this puzzle if you can, Brain stressing...

A woman shoots her husband. Then she holds him under water for Over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be?

Can You Figure These Out? Do answer if you can...

A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years.
Which room is safest for him ?

Unanswerable question ? Give answer if you are intelligent ?

If you think you are intelligent, Then answer this questions ?

a) who's sleeping ?,

b) who woke up ?,

c) who is happy ?,

d) who's sick ?,

e) who's drunk ?,