Mathematics Reviewer_Q1_2023

Which of the following figure shown A ∩ B?

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Which of the following figure shown A ∪ B?

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If U = {a, b, c, d, e, f, g, h, i}, A = { a, d, f, i}, B = { e, f, h }, find A’.

• { d, g, f, a, i}

• { b, c, g }

• { b, c, e, g, h}

• { a, b, c, e, g, i }

If U = {a, b, c, d, e, f, g, h, i}, A = { a, d, f, i}, B = { e, f, h }, find (A ∪ B)’.

• { d, g, f, a, i}

• { b, c, g }

• { b, c, e, g, h}

• { a, b, c, e, g, i }

Q complement (Q’) means element/s in U which are not in Q. Given the diagram at the right, which of the   following sets shows Q complement?

• {1, 4, 8, 9, 10, 16}

• {1, 4, 9, 16}

• {8, 10}

• {3, 5, 7,8,10}

Using the figure at the right which represent A  ∩  B ? 

• {1, 3, 4, 5, 7}

• {5, 7}

• {1, 3}

• {1, 2, 3, 5, 7, 9}

Given set R = {prime numbers less than11} what is/are the element/s of set R?

• set R = {1, 2, 3, 5, 7}

• set R = {1, 2, 3, 5, 7,9}

• set R = {2, 3, 5, 7}

• set R = {2, 3, 5, 7, 9, 11}

Given set P = {prime numbers less than10} what is the cardinality of set ?

• 6

• 5

• 4

• 3

Find the cardinality of set V={x/x is a vowel in English alphabet}

• n(P) = 26

• n(P) = 21

• n(P) = 14

• n(P) = 5

Let U = {all  students}, 

        M = {no. of students who like math},

        S = {no. of students who like science}  and

        E = {no. of students who like English},

How many students like science only?

• 13

• 12

• 8

• 6