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?

Find the next number in the series.
1 10 24 43 67 ?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Why 1729 is a magic number? Answer Logically.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you divide the below-given shape into four equal and identical pieces?

What is harder to catch the faster you run?

By what process could you make a 'Tea-Table' into food?

Can you tell a 3D object that has just two surfaces?

Can you solve below mathematical equation?

2^1234 - 2^1233