what does this picture(rebus) riddle means ?

John was drowned by he was not wet. How?

Our product and our sum always give the same answer. Who are we?

What has many teeth, but cannot bite?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

What kind of band never plays music?

What number when divided in half becomes zero?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

A blonde put eyeliner on her head. Why?