Q1: 1. In a survey of 100 students, 40 like ice cream, 30 like cake, and 20 like both. How many students do not like either ice cream or cake?

• A) 10
• B) 20
• C) 30
• D) 40

Q2: 2. If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∩ B?

• A) {1, 2}
• B) {3}
• C) {3, 4, 5}
• D) {1, 2, 3, 4, 5}

Q3: 3. A survey shows that 60% of students like basketball and 40% like football. If 20% like both, what percentage of students like only basketball?

• A) 20%
• B) 30%
• C) 40%
• D) 50%

Q4: 4. If A = {a, b, c} and B = {b, c, d}, what is A ∪ B?

• A) {a, b, c}
• B) {b, c}
• C) {a, b, c, d}
• D) {a, b, c, c, d}

Q5: 5. A bookstore sells fiction and non-fiction books. 60% of customers buy fiction books and 40% buy non-fiction. If 25% buy both, what percentage of customers buy only non-fiction books?

• A) 15%
• B) 20%
• C) 25%
• D) 30%

Q6: 6. If A = {x, y, z} and B = {z, w}, what is A ∩ B?

• A) {z}
• B) {x, y, z}
• C) {w}
• D) {x, y}

Q7: 7. A survey of 200 people shows that 120 like pizza, 80 like burgers, and 40 like both. How many people like only burgers?

• A) 20
• B) 40
• C) 60
• D) 80

Q8: 8. If A = {1, 2, 3, 4} and B = {3, 4, 5}, what is A - B?

• A) {1, 2}
• B) {3, 4}
• C) {1, 2, 5}
• D) {1, 2, 3, 4, 5}

Q9: 9. In a class of 30 students, 20 study Math and 15 study Science. If 10 students study both subjects, how many students study only Science?

• A) 5
• B) 10
• C) 15
• D) 20

Q10: 10. If A = {red, blue, green} and B = {green, yellow}, what is A ∪ B?

• A) {red, blue, green}
• B) {green, yellow}
• C) {red, blue, green, yellow}
• D) {red, blue, yellow}

Q11: 11. A survey of 150 people shows that 80 like tea, 60 like coffee, and 30 like both. How many people do not like either tea or coffee?

• A) 10
• B) 20
• C) 30
• D) 40

Q12: 12. If A = {a, b, c, d} and B = {c, d, e}, what is A ∩ B?

• A) {c, d}
• B) {a, b, c, d, e}
• C) {a, b}
• D) {c, d, e}

Q13: 13. A survey shows that 70% of students like music and 50% like art. If 20% like both, what percentage of students like only music?

• A) 30%
• B) 40%
• C) 50%
• D) 60%

Q14: 14. If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, what is A ∩ B?

• A) {3, 4}
• B) {1, 2}
• C) {1, 2, 3, 4, 5, 6}
• D) {3, 4, 5}

Q15: 15. A survey of 120 people shows that 70 like dogs, 50 like cats, and 30 like both. How many people like only cats?

• A) 10
• B) 20
• C) 30
• D) 40

Q16: 16. If A = {x, y, z} and B = {y, z, w}, what is A - B?

• A) {x}
• B) {y, z}
• C) {w}
• D) {x, y, z, w}

Q17: 17. In a group of 50 students, 30 play soccer and 20 play basketball. If 10 students play both sports, how many play only soccer?

• A) 10
• B) 15
• C) 20
• D) 25

Q18: 18. If A = {a, b, c, d} and B = {c, d, e, f}, what is A ∪ B?

• A) {a, b, c, d}
• B) {c, d}
• C) {a, b, c, d, e, f}
• D) {a, b, c, d, e}

Q19: 19. A survey shows that 60% of people like coffee and 40% like tea. If 15% like both, what percentage of people like only tea?

• A) 10%
• B) 15%
• C) 25%
• D) 30%

Q20: 20. If A = {red, blue, green} and B = {green, yellow, orange}, what is A ∩ B?

• A) {green}
• B) {red, blue}
• C) {green, yellow}
• D) {red, blue, green, yellow, orange}

Q21: 21. A survey of 80 people shows that 50 like pizza, 30 like pasta, and 10 like both. How many people like only pasta?

• A) 10
• B) 20
• C) 30
• D) 40

Q22: 22. If A = {1, 2, 3, 4, 5} and B = {4, 5, 6}, what is A - B?

• A) {1, 2, 3}
• B) {4, 5}
• C) {1, 2, 3, 4, 5, 6}
• D) {1, 2, 3, 6}

Q23: 23. In a class of 40 students, 25 study English and 20 study French. If 10 students study both languages, how many study only English?

• A) 5
• B) 10
• C) 15
• D) 20

Q24: 24. If A = {a, b, c, d} and B = {c, d, e, f}, what is A ∩ B?

• A) {c, d}
• B) {a, b, c, d, e, f}
• C) {a, b}
• D) {c, d, e, f}

Q25: 25. A survey shows that 70% of people like chocolate and 50% like vanilla. If 30% like both, what percentage of people like only vanilla?

• A) 10%
• B) 20%
• C) 30%
• D) 40%