Quiz #1 - Basic of Sets

Which of the following is an example of a set?

• Computer set

• Set of kitchen wares

• Set of even numbers

• All of the above

• None of the above

In describing sets, which of the following is a roster form or roster notation?

• A = {1, 2, 3, 4, 5, 6}

• Set A consists of numbers from 1 to 6

• A = {x|x is a number from 1 to 7}

• None of the above

In describing sets, which of the following is a set builder notation?

• Set A consists of vowel letters.

• A = {a, e, i, o, u}

• A = {x|x is a vowel letter}

• None of the above

If the cardinality of sets means the number of elements in a set, which of the following sets has the cardinality of 6?

• R = {Porche, Lamborghini, BMW, Ferrari, Ford, Audi}

• S = {volleyball, basketball, tennis, badminton, bowling}

• T = {pencil, paper, notebook, eraser}

• V = {Acer, Asus, HP, Dell, Samsung, Huawei, Lenovo}

Set U is a universal set with numbers from 1 to 20.

Which of the following subset is a "null set"?

• Set A is a set of even numbers.

• Set B is a set of numbers divisible by 10.

• Set C is a set of numbers between 11 and 12

• Set D is a set of numbers with two digits

If set A is a subset of set B, which of the following statements is true?

• Set A is contained in set B.

• Set B is contained in set A.

• Both are true

How do we write the listed set X = {2, 4, 6, 8, 10} into a set builder notation?

• X = {x|x is a number from 2 to 10}

• X = {x|x is a number divisible by 4}

• X = {x|x is an even number}

• X = {x|x is an even number from 1 to 10}

Which of the following is/are basic set operations?

(note: there are 4 basic operations, please check all of them)

• Addition of sets

• Difference of sets

• Complement of a set

• Union of Sets

• Intersection of Sets

Which of the following set is not a well-defined?

• J = {length of a rectangle }

• O = {x | x is a set of polite people}

• Y = {Female Vice President in the Philippines}

• S = {stars in the galaxy}

What is the group or collection of well-defined objects?

• Cardinality

• Element

• Set

• Venn Diagram