Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Business Statistics and Research Methods

Identify which one of the following statements is INCORRECT?

1

Intersection of two disjoint sets is a null set

2

Complement of a Universal set is a null set

3

If X ∩ Y = ϕ, then X - Y ≠ X

4

X - Y = X ∩ \(\overline {Y}\)

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