What is more useful when it is broken?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What is the riddle which can be asked all day with a different correct answer each time.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Look at the picture and find out which square is not linked with any of the other squares.

What word begins and ends with an E, but has only one letter?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

I have no life, but I can die. What am I?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Prove that twice of ten is the same as twice of eleven.