State whether the 'or' used in the following statements is "exclusive" or "inclusive". Give reasons for your answer.
(i) Sun rises or moon sets.
(ii) To apply for a driving licence, you should have a ration card or a passport.
(iii) All integers are positive or negative.
(i) This statement makes use of exclusive 'or'. Since when sun rises, moon does not set during day-time.
(ii) This statement makes use of inclusive 'or'. Since you can apply for a driving licence even if you have a ration card as well as passport.
(iii) This statement makes use of exclusive 'or'. Since all integers are either positive or negative but not both at the same time.