Let Z denote the set of all integers and A = {(a, b) : a² + 3b² = 28, a, b ∈ Z} and B = { (a, b) ∈ A : a > b, a, b ∈ Z}. Then the number of elements in A ∩ B is
Enhance your understanding of set theory with these engaging MCQs from Chapter 1 of Class 11 NCERT Mathematics (CBSE 2024-25). This chapter introduces fundamental concepts like types of sets, subsets, power sets, union, intersection and complements. These multiple-choice questions are designed to test your conceptual clarity and sharpen problem-solving skills. By practicing these MCQs, you will develop a strong foundation in set operations, Venn diagrams and their real-world applications. Whether you’re revising or preparing for exams, these questions provide an interactive and effective learning experience. Strengthen your mathematical reasoning and boost your confidence with this comprehensive MCQ set. Perfect for self-study and classroom practice, these questions make learning set theory both fun and insightful.
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Choice (a) is correct.
A = {(5,1), (5, -1), (-5, 1), (-5, -1), (4, 2), (-4, 2), (4, -2), (-4, -2), (1, 3), (1, -3), (-1, 3), (-1, -3)}
B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)}
A ∩ B = {(5, 1), (5, -1), (4, 2), (4, -2), (1, -3), (-1, -3)}
This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.
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