In school 500 students like coffee an 300 students like juice and 120 students like both coffee and juice. Then the students liking coffee or juice 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 key concepts like types of sets, subsets, power sets, union, intersection and complements. These multiple-choice questions are carefully designed to assess your conceptual clarity and boost problem-solving skills. Practicing these MCQs will help you build a strong foundation in set operations and Venn diagrams while exploring their real-world applications. Whether you’re revising or preparing for exams these questions offer an interactive and effective way to learn and master set theory.
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Choice (c) is correct.
Let A and B the sets of students liking coffee and juice respectively.
n(A) = 500, n(B) = 300 and n(A ∩ B) = 120
Number of students liking coffee or juice = n (A ∪ B) = n(A) +n(B) – n(A ∩ B) = 500 + 300 – 120 = 680
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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