[" Inree coins are tossed.Describe "],[" (i) two events "A" and "B" which are mutually exclusive."],[" (ii) three events "A,B" and "C" which are mutually exclusive and exhaustive "],[" (iii) two events "A" and "B" which are not mutually exclusive."],[" (iv) two events "A" and "B" which are mutually exclusive but not exhaustive."]