Keyboard words are not in alphabetical order, Why?

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?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

You see me once in June, twice in November, and not at all in May. What am I?