I travel all around the world but always stay in the corner. What am I?

Solve the rebus riddle in the picture below.

If eleven plus two equals one, what does nine plus five equal?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

How many words can a pen with half refill write?

How many letters are in the alphabet?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

What begins with T, ends with T, and has T in it?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?