What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What is both possible and impossible at the same time?

81 x 9 = 801. What must you do to make the this equation true?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

What does the below mathematical rebus mean?

How can one talk without saying a single word?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

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

Can you convert the number zero(0) into a positive number using just one mathematical operator ?