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Class 10 · Mathematics · Hard
→If n(A)=m and n(P(A))=n(A)+12, what is m?
Class 10 · Mathematics · Medium
→If U = {1, 2, ..., 12} and A = {x : x is a divisor of 12}, what is A'?
Class 10 · Mathematics · Medium
→Which of the following is the simplified form of (2\sqrt{3} + \sqrt{12})?
Class 10 · Mathematics · Easy
→If U = {1,2,3,4,5,6,7,8,9,10,11,12} and A = {2,3,5,7,11}, what is the correct description of A′?
Class 12 · Mathematics · Medium
→If A ⊆ B ⊆ U, which statement is always true?
Class 10 · Mathematics · Easy
→Let U = {1,2,3,…,12} and A = {x ∈ U : x is divisible by 4}. What is the complement A′ of A with respect to U?
Class 10 · Mathematics · Medium
→Which of the following statements about \(\sqrt[3]{12}\) is correct?
Class 10 · Mathematics · Medium
→Which option correctly describes the nature of (0.\overline{123})?
Class 12 · Mathematics · Medium
→If \(U=\mathbb{N}\) and \(A=\{x:x\in\mathbb{N},\ x\le 100\}\), what is \(A'\)?
Class 10 · Mathematics · Medium
→If U={1,2,...,12}, A={2,4,6,8,10,12}, and B={3,6,9,12}, how many elements are in (A∪B)'?
Class 12 · Mathematics · Hard
→If A has 3 elements, how many ordered pairs (X,Y) are there such that X⊆Y⊆A?
Class 10 · Mathematics · Medium
→Let U = {x : x ∈ N, x ≤ 12} and A = {x ∈ U : x is a multiple of 3}. How many elements does A' have?
Class 10 · Mathematics · Medium
→If |U| = 20, |A| = 12, |B| = 9, and |A ∩ B| = 5, what is |(A ∪ B)'|?
Class 10 · Mathematics · Medium
→If |P(A)| = 128, what is the value of |A|?
Class 10 · Mathematics · Medium
→Which option is the simplified form of √128?
Class 10 · Mathematics · Easy
→If U = {2, 4, 6, 8, 10, 12} and A' = {4, 10}, what is A?
Class 10 · Mathematics · Easy
→If A = {3, 6, 9, 12}, how many non-empty subsets are there in P(A)?
Class 10 · Mathematics · Medium
→If n(P(A)) = 512, what is the value of n(A)?
Class 12 · Mathematics · Easy
→If A = {0, 2, 4, 6}, how many elements does P(A) have?
Class 10 · Mathematics · Medium
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