Aaaj kal

If "CON" is the opposite of "PRO", what is the opposite of PROGRESS?

Relation

Do you see any relationship in these four words: thorn, shout, seat, stew?

Word?

What word am I talking about? The first two letters mean a man, the first three letters mean a woman, the first four letters mean a great man, and all the letters mean a great woman.

Queens in chess

How many Queens can you place safely on a chess board, such that none can capture any others? Demonstrate.

Egg Puzzle

I have a basket of eggs and give half of these plus half an egg to person A, then half of the remaining plus half an egg to person B, then half of the remaining plus half an egg to person C. My basket is now empty and no eggs were cracked open during the process. How many eggs were in the basket initially?