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Class 10 · Mathematics
→If A={a,c,e,g,i} and B={b,c,d,g,j}, what is A∪B?
Class 10 · Mathematics
→Let U={1,2,3,4,5,6,7,8,9,10,11,12}, A={2,4,6,8,10,12}, and B={3,4,6,9,12}. What is A∩B?
Class 10 · Mathematics
→If n(U)=130 and n(A∩B)=46, what is n((A∩B)ᶜ)?
Class 10 · Mathematics
→If n(A−B)=38 and n(B−A)=27, what is n(A△B), the cardinality of the symmetric difference?
Class 10 · Mathematics
→In a Venn diagram, n(A∪B)=98 and n(A∩B)=42. How many elements belong to exactly one of the two sets?
Class 10 · Mathematics
→If A∩B=∅, n(A)=45, and n(B)=37, what is n(A∪B)?
Class 10 · Mathematics
→If A⊆B, n(A)=34, and n(B)=82, what is n(B−A)?
Class 10 · Mathematics
→If n(U)=96, n(A−B)=29, n(A∩B)=17, and n(B−A)=22, what is the number of elements outside A∪B in the Venn diagram?
Class 10 · Mathematics
→In a two-set Venn diagram, n(A − B) = 26, n(A ∩ B) = 18, n(B − A) = 33, and 12 elements are outside both sets. What is n(U)?
Class 10 · Mathematics
→If n(B) = 66 and n(A ∩ B) = 31, how many elements are only in B, that is, in B but not in A?
Class 10 · Mathematics
→If n(A) = 59 and n(A ∩ B) = 24, how many elements are only in A, that is, in A but not in B?
Class 10 · Mathematics
→In a survey, n(U) = 140, n(A) = 72, n(B) = 64, and n(A ∩ B) = 28. How many people are in neither set?
Class 10 · Mathematics
→If n(A) = 68, n(B) = 53, and n(A ∪ B) = 91, what is n(A ∩ B)?
Class 10 · Mathematics
→In a Venn diagram, n(U) = 110, n(A) = 57, n(B) = 49, and n(A ∩ B) = 21. What is n(A ∪ B)?
Class 10 · Mathematics
→For three sets, n(A) = 38, n(A ∩ B) = 16, n(A ∩ C) = 13, and n(A ∩ B ∩ C) = 5. How many elements belong only to A?
Class 10 · Mathematics
→If n(A ∪ B) = 74, n(A − B) = 28, and n(B − A) = 19, what is n(A ∩ B)?
Class 10 · Mathematics
→In a Venn diagram, n(U) = 85, n(A) = 42, n(B) = 36, and n(A ∩ B) = 14. How many elements are in neither set?
Class 10 · Mathematics
→In a Venn diagram, n(A ∩ B) = 0 and n(A ∪ B) = 76. If n(A) = 31, what is n(B)?
Class 10 · Mathematics
→If n(A∪B)=58, n(A−B)=22, and n(B−A)=20, which statement is correct?
Class 10 · Mathematics
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