I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

You need to move three matchsticks to form three squares. Can you do it?

How many sides does a circle have?

Can you name some countries which do not have the alphabet 'A' in them?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

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?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?