Which country gets ill every time?

If two's company, and three's a crowd, then whats four and five ?

There was a strange boy who was born before his father. How can this be possible?

Why is Saturday stronger than Monday?

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

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

The dirtier I get, the whiter I look. Who am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.