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?

What begins with T, ends with T, and has T in it?

Solve the mathematical equation in the picture below.

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

what one word does the below rebus identifies?

There are forty elephants and they have forty-fore heads. How can this be possible?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?