alleryMatch each cardinality formula with its counting scenario:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
n(A∪B) = n(A) + n(B) - n(A∩B); disjoint sets have zero intersection; n(A') = n(U) - n(A).
Keep practising Sets
Browse all Sets questions for CBSE Class 11 (Science), or explore more Mathematics topics.
Related questions
Match each fundamental algebraic set law with its mathematical identity:Match each set classification with its defining property:Match each set theory operation with its formal mathematical definition:Who published the first axiomatisation of set theory in 1908?In which year did Bertrand Russell show that a set of all sets leads to a contradiction?Within a universal set U, the complement of the empty set isBy De Morgan's law, (A ∪ B)' is equal toFor any subset A of U, the complement of A' is