Q 3. Let x denote a real number. Find out the INCORRECT statement.
(A) S = { x : x > 3} represents the set of all real numbers greater than 3
(B) S = { x : 2x<0} represents the empty set
(C) S = { x : x∈ A and x ∈ B} represents the union of set A and set B
(D) S = { x: a < x< b} represents the set of all real numbers between a and b, where a and b are real numbers.
Answer: (C)
Explanation:
