Negation of an event

Statement-1: 20 persons are sitting in a row. Two of these persons are selected at random. The probability that the two selected persons are not together is 0.9. Statement-2 :If overline(A) denotes the negation of an event A, then P(overline(A))=1-P(A) .

Negation of an irrational number is an irrational number.

Negation of statement "Newyork is in America and Mumbai is in India" is

Negation of statement -s vv(-r^^s) is

The negation of statement (~p vvq) ^^ (~p ^^~q) is -

Negation of a statement in logic corresponds to______in set theory

Negation of the statement 'A is rich but silly' is

Negation of the statement "This is false or That is true" is

Negation of (~ p vv q) is