Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

The answer I give is yes, but what I mean is no. What was the question?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

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?

Can you count the number of triangles inside a triangle?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

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

There is something which you can be arrested for attempting but not for successfully completing.