Keyboard words are not in alphabetical order, Why?

How many letters are in the alphabet?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Prove that the below maths equation is true.

8 + 8 = 91

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

Name a key which is hardest to turn.

Replace the question mark in the picture below.

What number when divided in half becomes zero?

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

Can you make four (4) nines (9) equal 100?