How many times can you subtract the number two from the number fifty?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

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.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Which is the correct shadow of the bird?

Which alphabet is a part of our body?

Buy me, smell me or deliver me, I do not change.

Who am I?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Why are televisions attracted to people?