What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

How many letters are in the alphabet?

I have eight fingers and two thumbs but I do not live. What Am I?

Move three sticks of the spiral below to form a square.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What number do you get when you multiply all of the numbers on a telephone's number pad?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Can you decipher the two rows to find the hidden word?