UPSKILL MATH PLUS

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Cardinality and Practical Problems on Set Operations-I

1.	Introduction to cardinality
2.	Cardinality of set operations

1.	Verify the cardinality property Difficulty: easy	2
2.	Find the n(B) and n(U) Difficulty: easy	2
3.	Find the n(U) and n(A ∩ B) Difficulty: easy	2
4.	Determine the number of people Difficulty: medium	1
5.	Determine the number of students Difficulty: medium	1
6.	Calculate the value of "x" Difficulty: medium	1
7.	Determine the number of students in cultural activity Difficulty: hard	3
8.	Determine the number of people who do not read the newspaper Difficulty: hard	1
9.	Find the total number of students who appeared in the examination Difficulty: hard	1

Training test

Difficulty: medium

Methodical recommendation

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