Directions: Read the questions carefully. Choose/click the letter of the correct answer.

1.If set A = {planets} and set B = {Earth, Venus, Mars, Neptune}, what is A – B? * A. A – B = { }
B. A – B = {Venus, Earth, Jupiter}
C. A – B = {Mercury, Jupiter, Saturn, Uranus}
D. A – B = {Venus, Earth, Jupiter, Uranus}

2.If the universal set U = {letters in the word GRADES} and set A = {s, a, d}, what is the complement of A (A’)? *
A. A’ = {g, r, e}
B. A’ = {g, a, d}
C. A’ = {g, a, s}
D. A’ = {r, a, d}

3.Which of the following sets is equal to Set S = {a, b, c, …, z}? *
A. E = {a, e, i, o, u }
B. E = {letters in the alphabet}
C. E = {m, a, t, h, e, m, a, t, i, c, s}
D. E = {consonant}

4.Let A= {apple, banana, orange} and B= {grapes, santol}. What is the cardinality of A U B? *
A. n(AUB) = 2
B. n(AUB) = 5
C. n(AUB) = 3
D. n(AUB) = 6

5.Which of the following is an infinite set? A. C = {counting numbers}
B. C = {vowels}
C. C = {presidents of the Philippines}
D. C = {months of the year}

6.Which of the following is an infinite set? A. C = {counting numbers}
B. C = {vowels}
C. C = {presidents of the Philippines}
D. C = {months of the year}

7.Let A= {counting numbers up to 10} and B= {even numbers less than 10}. What is the cardinality of A ∩ B? *
A. n(A ∩ B) = 4
B. n(A ∩ B) = 6
C. n(A ∩ B) = 5
D. n(A ∩ B) = 7

8.Given U = {1, 2, 3, 4, 5, 6,7,8, 9,10}, A = {2, 4, 6, 8, 10} and B = {1, 2, 3, 8, 10}. What is A ∩ B? *
A. A ∩ B = {3}
B. A ∩ B = {2, 8, 10}
C. A ∩ B = {6}
D. A ∩ B = {1, 5, 7, 9}

9.What is the equivalent of set C = {c, o, v, i, d} to the following sets below? *
A. Y = {v, i, r, u, s, e, s}
B. Y = {l, a, m, b, d, a}
C. Y = {d, e, l, t, a}
D. Y = {d, e, a, d, l, y}

10.Which of the following is true about set D? D = {2, 3, 5, 7, …} *
A. -1 ∈ D
B. 4 ∈ D
C. Set D is a set of whole numbers
D. Set D is infinite

11.If A = {red, yellow, blue} and B = {green, orange, violet, indigo}, then which of the following is the universal set? *
A. U = {set of colors of the rainbow}
B. U = {set of colors}
C. U = {set of primary colors}
D. U = {set of secondary colors}

12.Which of the following is not a subset of C? C = {d, e, l, t, a} *
A. G = {l, a, t, e, d}
B. G = {b, e, l, t, a}
C. G = {d, e, a, l}
D. G = {l, a, t, e}

13.Which of the following sets is an example of roster notation? *
A. A = {a, e, i, o, u}
B. A = {set of fruits}
C. A = {set of gadgets}
D. A = {x/x is an even number}

14.What is the cardinality of Set H = {set of months of the year}? *
A. n(H) = 5
B. n(H) = 9
C. n(H) = 7
D. n(H) = 12

15.Which of the following is a finite set? * A. D = {minutes in an hour}
B. D = {prime numbers}
C. D = {stars in the sky}
D. D = {even numbers}

16.Given U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {2, 4, 6, 8} and B = {1, 3, 5, 7, 9}. What is A U B? *
A. A U B = U
B. A U B = { }
C. A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
D. A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9}

pasagot po pls​