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’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Can you find the 09 errors in the picture below?

Can you solve the below rebus?

What is the end of everything?

what does this below rebus represent identXQQQQQME

What four weights can be used to balance from 1 to 30 pounds?

I don't get anymore wetter, no matter how much rain falls on me.