The peacock is a bird that does not lay eggs. How do they get baby peacocks?

A bomb exploded in a room full of married couples and no one died. How?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

John was piloting a plane behind a car but was never able to overtake it. Why?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?