Buy me, smell me or deliver me, I do not change.

Who am I?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Do You See It?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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 am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?