Doctors that are both Artist and Players => D ∩ A ∩ P = 3, 3.) So Union ∪ is the one with more elements than Intersection ∩. Sequence and Series Problems and Concepts for CAT Exam Preparation A union (B intersection C) – VENN DIAGRAM, Your email address will not be published. How many can speak French only and how many can speak both English and French? A perfect example for universal set can be set of Real Numbers and the set of Natural numbers, Integers, Rational Numbers etc., are the subsets of it. B is the set of primes. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. In how many ways can three points be chosen out of A, B, C, D, E, F, G, H, J, K, and O so as to form a triangle? Both 1 and 2 are present in the set S. Hence, B is subset of S. It is denoted by symbol ‘⊂’. This is called a "Union" of sets and has the special symbol ∪: Soccer ∪ Tennis = {alex, casey, drew, hunter, jade}. Description Set Theory: Shading Venn Diagrams Venn diagrams are representations of sets that use pictures. For example, taking Soccer and subtracting Tennis means people that play Soccer but NOT Tennis ... which is alex and hunter. if there are two sets A and B then their Union contain elements which are in A, in B, or both A and B. Set Operations And Venn Diagrams. Permutation and Combination – Distribution of Objects This is the Intersection of Sets S and V minus Set T, That is OK, it is just the "Empty Set". If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. 2.) Set of whole numbers: {0, 1, 2, 3, ...} 2. elements alex, casey, drew and hunter.). Sadly, the symbol is the letter "U" ... which is easy to confuse with the ∪ for Union. Handa Education Services Pvt Ltd � 2012-2018. (exactly the same as the U − S example from above), {alex, blair, casey, drew, erin, francis, glen, hunter, ira, jade}. Basic Probability Concepts for CAT Preparation INTERSECTION OF SETS: Intersection of collection of sets containing elements that are common to all the set i.e. In other words we combine the elements of the two sets. It is denoted by ‘. We show it by writing a little "C" like this: Which means "everything that is NOT in S", like this: Sc = {blair, erin, francis, glen, ira, jade} Required fields are marked *. You can also "subtract" one set from another. 40 of them had both, a two-wheeler and a credit card, 30 had both, a credit card and a mobile phone and 60 had both, a two wheeler and mobile phone and 10 had all three. and for various bank po exams like IBPS PO and SBI PO. Another way to prevent getting this page in the future is to use Privacy Pass. A set is generally denoted with a capital alphabet S or A or and its elements are generally enclosed in curly brackets like this. For ex, all the students in a class can be grouped into a set or integers such as 2, 3, 4 can form a set etc. EQUAL SETS: Two sets are called to be equal if they contain same elements. Permutation and Combination – Fundamental Principle of Counting, Permutation and Combination – Distribution of Objects, How to find Rank of a Word in Dictionary (With or Without Repetition), Basic Probability Concepts for CAT Preparation, Sequence and Series Problems and Concepts for CAT Exam Preparation. The special symbol for Intersection is an upside down "U" like this: ∩. CAT Exam Quantitative Aptitude – Modern Maths, Quantitative Aptitude – Modern Maths – Progressions – Q1, Quantitative Aptitude – Modern Maths – Progressions – Q2, Quantitative Aptitude – Modern Maths – Progressions – Q3, Quantitative Aptitude – Modern Maths – Progressions – Q4, Quantitative Aptitude – Modern Maths – Progressions – Q5, Quantitative Aptitude – Modern Maths – P&C – Q1, Quantitative Aptitude – Modern Maths – P&C – Q2, Quantitative Aptitude – Modern Maths – P&C – Q3, Quantitative Aptitude – Modern Maths – P&C – Q4. Consider a new sequence of five consecutive even numbers ending with 2a3.