Fix the liability of A, if any in the following problems with the help of relevant provisions of Indian Penal Code:

(i) A finds a valuable ring, not knowing to whom it belongs. A sells it immediately without attempting to discover its owner.

(ii) A finds a government promissory note belonging to Z and bearing a bank endorsement. A knowing that the note belongs to Z, pledges it with a bank as a security for loan, intending at future time to restore it to Z.

(iii) From the body of a dead man found floating in a river, A, the policeman on duty, recovered an identity card of the deceased, a costly wrist watch and gold ring. A did not record the last two items in the recovery memo and pocketed them.

(iv) A being executor of the will of a deceased person, dishonestly disobeys the law which directs him to divide the assets according to the will. And appropriates them to his own case.     (5 marks)