Can you convert the number zero(0) into a positive number using just one mathematical operator ?

what does this below rebus represent identXQQQQQME

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Spot the cat in the picture below

What you cannot hold but it is yours?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?