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

Can you write down eight eights so that they add up to one thousand?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I make two people out of one. What am I?

What occurs twice in a week, once in a year but never in a day?

You can see it everyday, But cannot touch it at will. What is it?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

What kind of storm is always in a rush?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly