Keyboard words are not in alphabetical order, Why?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

What jumps when it walks and sits when it stands?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

How can one talk without saying a single word?

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

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?