Discreate Maths Quiz

Which term states that P(X) is TRUE for SOME values of the subject x in the domain?

• Domain

• Quantification

• Existential Quantification

• Universal Quantification

Which number of elements in a set are not countable

• Subset

• Finite Set

• Infinite Set

• Proper Subset

Which is the cardinality of K = {dog, cat, lion, tiger, snake}?

• 0

• 5

• 6

• 32

Which of the following sets represents the union of L and M? Given L = {1, 2, 3, 4, 5}, and M = {4, 5, 6, 7}

• {4, 5}

• {1, 2, 3, 4}

• {1, 2, 3, 4, 5}

• {1, 2, 3, 4, 5, 6, 7}

What is the formula for even number?

• 2n

• n-1

• 2n-1

• 2n+1

If A = {2, 3, 4, 5} and B = {1, 3, 4, 7, 9}, what is A∩B?

• A∩B = {3, 4}

• A∩B = {2, 5, 7, 9}

• A∩B = {1, 2, 5, 7, 9}

• A∩B = {1, 2, 3, 4, 5, 7, 9}

Which is the inverse of the relation R = {(1, y), (1, z), (3, y), (4, x), (4, z)}?

• {(y, 1), (z, 1), (y, 3), (x, 4)}

• {(y, 1), (z, 1), (y, 3), (z, 4)}

• {(y, 1), (z, 1), (y, 3), (x, 4), (x, z)}

• {(y, 1), (z, 1), (y, 3), (x, 4), (z, 4)}

Which of the following is denoted in symmetric difference?

• A ⊝ B

• A ∩ B

• A ∪ B

• A – B

A _______ is an unordered collection of objects.

• Relation

• Function

• Set

• Proposition

Which of the following propositions is a contradiction?

• (p ∧ q) ∨ ¬(p ∨ q)

• (p ∧ q) ∧ ¬(p ∨ q)

• (p ∧ ¬q) ∨ (¬p ∧ q)

• (p ∧ q) ∨ (¬p ∧ ¬q)