Skip to content

Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

RELATED QUESTIONS

Cardinality

Class 10 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf A ∪ Aᶜ = U, n(A) = 27, and n(Aᶜ) = 33, what is n(U)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsLet U = {1, 2, 3, ..., 36} and A = {x ∈ U : x is a perfect square}. What is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf n(U) = 96 and n(Aᶜ) = (1/3)n(U), what is the value of n(A)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIn a survey of 150 people, 85 like tea, 70 like coffee, and 40 like both tea and coffee. How many people like neither tea nor coffee?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf U = {x ∈ ℤ : −6 ≤ x ≤ 6} and A = {x ∈ U : x² = 16}, what is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1,2,3,…,60} and A = {x ∈ U : 6 divides x}, what is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf n(U) = 90, n(Aᶜ) = 35, n(Bᶜ) = 50, and n(Aᶜ ∩ Bᶜ) = 18, what is n(A ∩ B)?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsIf n(U) = 75, n(A) = 42, n(B) = 38, and n(A ∩ B) = 20, what is n((A ∪ B)ᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf U has n(U)=54 and a set A satisfies n(Aᶜ)=2n(A), what is the value of n(A)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsFor a finite universal set U, n(U)=64 and n(A)=3n(Aᶜ). What is the value of n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U={1,2,3,4,5,6,7,8,9,10} and Aᶜ={1,4,9}, how many elements does A contain?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf U={1,2,3,4,5,6,7,8,9,10,11,12}, A={1,2,3,4,5,6}, and B={2,4,6,8,10,12}, how many elements does Aᶜ∪Bᶜ contain?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = {1,2,3,4,5,6,7,8,9,10} and A = {2,5,8}, how many elements are in Aᶜ ∪ {5}?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf A ∪ Aᶜ = U and A ∩ Aᶜ = ∅, then n(A) + n(Aᶜ) is equal to what?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsA class has 90 students, so the universal set U has n(U) = 90. If A is the set of students who like science and n(Aᶜ) = 34, how many students like science?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf the universal set is \(U=\{x\in\mathbb{Z}:-5\le x\le 5\}\) and \(A=\{x\in U:x^2=9\}\), how many elements does the complement \(A^c\) contain?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf \(U=\{x\in\mathbb{N}\mid 1\le x\le 50\}\) and \(A=\{x\in U\mid 5\mid x\}\), what is the value of \(n(A^c)\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf \(n(U)=100\), \(n(A^c)=40\), \(n(B^c)=55\), and \(n(A^c\cap B^c)=20\), what is \(n(A\cap B)\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = {x ∈ ℕ | 1 ≤ x ≤ 20} and A = {x ∈ U | x is a prime number}, how many elements does Aᶜ contain?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIn a class, U is the set of all students and A is the set of students who like mathematics. If n(U) = 55 and n(A) = 37, how many students do not like mathematics, that is, n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy