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 U = {1, 2, ..., 15}, A = {1, 4, 9}, and B = {2, 4, 6, 8, 10, 12, 14}, how many elements are in (A ∩ B)′?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf the universal set is U = {1, 2, ..., 100} and A = {x ∈ U : x is a perfect square}, what is the value of |A′|?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf \(U=\{1,2,\ldots,60\}\), \(A\) is the set of multiples of 3, \(B\) the set of multiples of 4, and \(C\) the set of multiples of 5, what is \(|(A\cup B\cup C)'|\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Hard MathematicsIf |U| = 100, |A'| = 58, |B'| = 47, and |A ∩ B| = 21, what is the value of |(A ∪ B)'|?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf |U| = 80, |A| = 35, |B| = 40, and |A ∩ B| = 15, what is |(A ∪ B)ᶜ|?Class 10SetsComplement of a Set and Its PropertiesLevel 19Hard MathematicsIf U = {x : x ∈ N, 1 ≤ x ≤ 30} and A = {x ∈ U : x is divisible by both 2 and 3}, what is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1, 2, 3, …, 16} and A is the set of perfect squares in U, how many elements does Aᶜ contain?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1, 2, 3, …, 15} and A is the set of perfect squares in U, how many elements are in Aᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf n(Aᶜ) = 12 and n(U) = 30 for the universal set U, what is the value of n(A)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf U = {x : x ∈ N, 1 ≤ x ≤ 20} and A = {x : x ∈ U, x is a factor of 20}, how many elements does the complement Aᶜ relative to U contain?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1,2,3,4,5,6,7}, A = {2,4,6}, how many elements are in Aᶜ ∩ A?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf the universal set is U = {1,2,3,4,5,6,7} and A = {1,4,7}, how many elements does Aᶜ ∪ A contain?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf U = {1,2,3,4,5,6,7,8} and Aᶜ = {1,4,7}, what is n(A)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIn a class of 60 students, 35 students play cricket. How many students do not play cricket?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf n(U) = 40 and n(A) = 18, what is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf the universal set is \(U=\{a,b,c,d,e\}\) and \(B=\{a,e\}\), how many elements does \(B^c\) contain?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf U = {1,2,3,...,80} and A is the subset of U whose elements are divisible by 8, how many elements does Aᶜ contain?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsFor the universal set U, if n(U)=72 and n(A^c)=3n(A), what is the value of n(A)?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsIf n(U) = 84 and n(A) = 2n(Aᶜ), where U is the universal set, what is n(Aᶜ)?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsIf U={1,2,3,...,12} and A={3,6,9,12}, how many elements are in A^c ∪ {6,12}?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium