what's the probability of getting a king or a queen from a pack of 52 cards?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What word is pronounced the same if you take away four of its five letters?

People put me on the table and cut me but do not eat me. What am I?

What do you call a fish without an eye?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?