Question 1

What is the meaning of the phrase “the intersection of A and B”?

Accepted Answer

The set of elements that is common to both A and B

Answer

The set of elements in the universe that is not in B

Answer

The set of elements in the universe that is not in A

Answer

The set of elements that is in A or B or both A and B

Question 2

Which of the following represents the shaded area on the given Venn Diagram?

Accepted Answer

B - A

Answer

A

Answer

A - B

Answer

B'

Question 3

Which of the following collections is NOT a set?

Accepted Answer

The collection of all happy people in Brgy. Marikit

Answer

The collection of all town Mayors in the province of Bataan

Answer

The collection of all senior citizens in Brgy. Capunitan

Answer

The collection of all known planets in our solar system

Question 4

If P = { a, b, c, d, e }, Q = { a, c, e, d, t } and  R = { t, d, c, b, e }, then what is P∩ Q ∩ R?

Accepted Answer

{ c, d, e }

Answer

{ c, d }

Answer

{ a, c }

Answer

{ a, c, e }

Question 5

What is A ∪ B, if A= { 0, 2, 3, 4, 9, 11} and B = { 2, 3, 6, 8, 9, 10 } ?

Accepted Answer

{ 0, 2, 3, 4, 6, 8, 9, 10, 11 }

Answer

{ 0, 4, 11 }

Answer

{ 2, 3, 6, 9 }

Answer

{ 6, 8, 9, 10, 11 }

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