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?

A man dies of old age on his 25 birthday. How is this possible?

What has no start, end, or centre?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Count the squares in the matchstick puzzle below?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Buy me, smell me or deliver me, I do not change.

Who am I?

The Little ant seems to be always confused. Do you know why?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

I have branches, but no fruit, trunk or leaves. What am I?