A man dies of old age on his 25 birthday. How is this possible?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

How can you tell a raw egg from a hard-boiled egg?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Rearrange the letters in "new door" to make one word.

The cream is heavier than Milk. True or False?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?