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Two Sets Explained with Easy Examples Video Lecture | Logical Reasoning (LR) and Data Interpretation (DI) - CAT

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FAQs on Two Sets Explained with Easy Examples Video Lecture - Logical Reasoning (LR) and Data Interpretation (DI) - CAT

1. What are sets in mathematics?
Ans. In mathematics, sets are collections of distinct objects, called elements, that are well-defined and can be identified by specific properties or characteristics. For example, a set of fruits can include elements like apples, oranges, and bananas.
2. How are two sets represented in mathematics?
Ans. In mathematics, two sets are usually represented using set notation. Set notation uses curly braces { } to enclose the elements of a set. For example, if Set A contains the elements 1, 2, and 3, and Set B contains the elements 2, 3, and 4, they can be represented as A = {1, 2, 3} and B = {2, 3, 4}.
3. What is the intersection of two sets?
Ans. The intersection of two sets refers to the elements that are common to both sets. It is represented by the symbol ∩. For example, if Set A = {1, 2, 3} and Set B = {2, 3, 4}, their intersection is {2, 3}, as these elements are present in both sets.
4. How is the union of two sets determined?
Ans. The union of two sets refers to the combination of all elements from both sets without duplication. It is represented by the symbol ∪. For example, if Set A = {1, 2, 3} and Set B = {2, 3, 4}, their union is {1, 2, 3, 4}, as it includes all the elements from both sets.
5. Can a set be empty?
Ans. Yes, a set can be empty, meaning it has no elements. An empty set is denoted by the symbol ∅ or { }. It is different from a set that contains the element 0.
130 videos|151 docs|117 tests

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