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

Find the last number in the series below:

voN luJ yaM raM ---

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What can jump higher than a building?

Why Wine Glass Stem is so long?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.