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Class 10 · Mathematics
→If only (A\cap B) has (14), only (B\cap C) has (12), only (C\cap A) has (15), and (A\cap B\cap C) has (8) elements, then what is (n((A\cap B)\cup(B\cap C)\cup(C\cap A)))?
Class 10 · Mathematics
→If n(A ∩ B) = 26 and n(A ∩ B ∩ C) = 10, how many elements are only in A ∩ B?
Class 10 · Mathematics
→In an exam, 82 students solved question A, 76 solved B, 69 solved C, 37 solved both A and B, 32 solved both B and C, 29 solved both C and A, and 15 solved all three. How many solved at least one question?
Class 10 · Mathematics
→In a survey of 120 people, 66 read a newspaper, 58 read a magazine, and 24 read neither. How many read both?
Class 10 · Mathematics
→If n(A ∩ B) = 0, n(A) = 28, and n(B) = 34, what is n(A △ B)?
Class 10 · Mathematics
→If (n(A\cup B)=n(A)), which conclusion is correct according to the Venn diagram?
Class 10 · Mathematics
→If A ∩ B = ∅, then what is A − B equal to?
Class 10 · Mathematics
→If (A\cap B=A) and (A\neq \varnothing), which relation is correct?
Class 10 · Mathematics
→If A ⊆ B, then what is (A ∪ B) − A equal to?
Class 10 · Mathematics
→Which region does A − (B ∩ C) represent in a Venn diagram?
Class 10 · Mathematics
→If n(A ∪ B) = 98 and n(A ∩ B) = 35, what is the value of n(A − B) + n(B − A)?
Class 10 · Mathematics
→If n(A) = 55, n(B) = 62, and n(A − B) = 23, what is n(A ∪ B)?
Class 10 · Mathematics
→If n(A) = 42, n(B) = 38, and n(A ∩ B) = 17, what is n(A' ∩ B)?
Class 10 · Mathematics
→If n(U) = 150, n(A) = 91, and n(B) = 86, what is the minimum possible value of n(A ∪ B)?
Class 10 · Mathematics
→If n(A) = 73 and n(B) = 58, what is the maximum possible value of n(A ∩ B)?
Class 10 · Mathematics
→If n(U) = 75, n(A) = 46, and n(B) = 41, what is the minimum possible value of n(A ∩ B)?
Class 10 · Mathematics
→If A = {x ∈ N : x ≤ 20}, B = {x : x is odd and x ≤ 20}, and C = {x : x is a multiple of 5 and x ≤ 20}, what is n(B ∩ C)?
Class 10 · Mathematics
→If U = {1, 2, ..., 36}, A is the set of square numbers and B is the set of multiples of 3, what is n(A ∩ B)?
Class 10 · Mathematics
→If U = {1, 2, ..., 40}, A is the set of prime numbers and B is the set of even numbers, what is A ∩ B?
Class 10 · Mathematics
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