What is both possible and impossible at the same time?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

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?

How many triangles can you find in this given picture?

People put me on the table and cut me but do not eat me. What am I?

Why did Buffon take the goal with him after every Juventus match?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Find the value of "a" by solving the maths equation in the picture below: