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?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

what does this below rebus represent identXQQQQQME

Make a sentence consisting of three words that have the whole alphabet.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Which fur should we be getting from the Lion?