Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Find the number of squares in the below picture

What always comes into a house through the keyhole?

Replace the question mark with the correct number in below Picture:

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

How can one talk without saying a single word?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?