Which country gets ill every time?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What do you call a fish without an eye?

What does the below rebus puzzle mean?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What two things can you never eat for breakfast?

What runs around the whole yard without moving?