[WEBSITE NAME] · Grade [GRADE] Mathematics
Exercise 1.1
Unit 1: SET
Interactive worked solutions for real-life problems involving two sets, union, intersection, complement, ratios, percentages, and Venn diagrams.
Read each complete question first, then reveal the solution part.
Notation reminder: “neither \(A\) nor \(B\)” is written as \(n(\overline{A \cup B})\).