If n(A) = 10, n (B) = 6, n(C) = 5 for three disjoints sets A, B and C, then n (A ∪ B ∪ C) =

Strengthen your understanding of set theory with these engaging MCQs from Chapter 1 of Class 11 NCERT Mathematics (CBSE 2024-25). This chapter covers fundamental concepts such as types of sets, subsets, power sets, union, intersection and complements. These multiple-choice questions are designed to test your conceptual clarity and improve problem-solving skills. By practicing them, you will develop a solid foundation in set operations, Venn diagrams and their practical applications. Whether revising or preparing for exams, these MCQs offer an interactive and effective learning experience. Perfect for self-study and classroom practice, they make learning set theory easier and more enjoyable.