What will you call your mother's brother's brother-in-law?

You can hear me, but you can't touch or see me.

What am I?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

My location can be determined by the below rebus.
So where am i ?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?