This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 1 Sets – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 1 Sets Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following sets is infinite? A) Set W is a counting number less than 5. B) Set A is a set of whole number between 10 and 15. C) Set Y is a set of letters in the English alphabet after U. D) Set S is a set or prime numbers. Show Answer Correct Answer: D) Set S is a set or prime numbers. 2. What is a universal set and how is it used in set theory? A) A universal set is a set that contains only prime numbers. B) A universal set is a set that contains only even numbers. C) A universal set is a set that contains all elements under consideration in a particular context. D) A universal set is a set that is empty and has no elements. Show Answer Correct Answer: C) A universal set is a set that contains all elements under consideration in a particular context. 3. If 25 students liked mathematics, 20 liked science and 10 students liked both subjects. All the students like at least one subject. How many students are there?(You may want to use a Venn Diagram to organize) A) 55. B) 45. C) 35. D) 25. Show Answer Correct Answer: C) 35. 4. Is the set of all even numbers finite or infinite? A) A set of all odd numbers. B) Infinite. C) Finite. D) A set of all prime numbers. Show Answer Correct Answer: B) Infinite. 5. The elements of a set are separated by a A) Equal to. B) Comma. C) Semi colon. D) Full stop. Show Answer Correct Answer: B) Comma. 6. Which of the following best defines a set? A) A list of numbers in random order. B) A collection of well-defined objects. C) A group of similar people. D) A random collection of things. Show Answer Correct Answer: B) A collection of well-defined objects. 7. Suppose A=\{factors of 20\} and B=\{factors of 12\}, what is $A\cap B$ A) \{1, 2, 4\}. B) \{1, 2, 3, 4, 5, 6, 10, 12, 20\}. C) \{12, 20\}. D) \{3, 5, 6, 10, 12, 20\}. Show Answer Correct Answer: A) \{1, 2, 4\}. 8. Which of the following best defines a set in mathematical terms? A) A collection of numbers with no specific order. B) A well-defined collection of distinct objects considered as a single entity. C) A group of numbers that are all the same. D) A series of numbers that can be added together. Show Answer Correct Answer: B) A well-defined collection of distinct objects considered as a single entity. 9. Which is a subset of X=\{1, 2\}? A) \{ \}. B) \{1\}. C) \{1, 2\}. D) \{2\}. E) All of the above. Show Answer Correct Answer: E) All of the above. 10. What is the cardinality of the set \{a, b, c, d, e\}? A) 10. B) 4. C) 5. D) 6. Show Answer Correct Answer: C) 5. 11. State the relation. If R is the set of rational numbers $-3.2\overline{18}$ A) $\in$. B) $\notin$. C) $\subset$. D) $\not\subset$. Show Answer Correct Answer: A) $\in$. 12. Identify the elements in the set A = \{1, 2, 3, 4\}. A) \{1, 2, 3\}. B) \{2, 3, 4\}. C) \{1, 3, 4\}. D) \{1, 2, 3, 4\}. Show Answer Correct Answer: D) \{1, 2, 3, 4\}. 13. Is \{a, b\} a superset of \{a\}? A) No. B) Only if b is included. C) \{a, b\} is equal to \{a\}. D) Yes. Show Answer Correct Answer: D) Yes. 14. The Union of Sets is the set whose elements are contained in either Set A or Set B or both. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Explain the concept of disjoint sets with an example. A) Disjoint sets are collections of sets that can share some elements. B) Disjoint sets are always empty sets. C) Disjoint sets are collections of sets that do not share any elements. D) Disjoint sets are sets that contain the same elements in different orders. Show Answer Correct Answer: C) Disjoint sets are collections of sets that do not share any elements. 16. Find n(A) when A = \{14, 16, 18, 20, 22, 24\}. A) 6. B) 12. C) 4. D) 8. Show Answer Correct Answer: A) 6. 17. In the expression 9 + 3x, the number 9 is the: A) Variable. B) Constant. C) Coefficient. D) Term. Show Answer Correct Answer: B) Constant. 18. Which set includes numbers like 1, 2, 3, and so on? A) Natural numbers. B) Whole numbers. C) Integers. D) Rational numbers. Show Answer Correct Answer: A) Natural numbers. 19. What is the complement of the set L = \{Monday, Tuesday, Wednesday, Thursday, Friday\}? A) \{Tuesday, Saturday\}. B) \{Wednesday, Saturday\}. C) \{Monday, Sunday\}. D) \{Saturday, Sunday\}. Show Answer Correct Answer: D) \{Saturday, Sunday\}. 20. A set is a collection of specific, related and well-defined distinct objects. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What is the power set of a set with 3 elements? A) 8. B) 4. C) 6. D) 2. Show Answer Correct Answer: A) 8. 22. Let M = \{0, 2, 4, 6, 8, 10\}, and let N = \{even numbers < 10\}. Which of the following statements is true? A) M is an infinite set. B) $M=N$. C) $M\ne N$. D) M is an infinite set. Show Answer Correct Answer: C) $M\ne N$. 23. Collection of delicious dishes. A) A set. B) Not a set. C) All the above. D) None of the above. Show Answer Correct Answer: B) Not a set. 24. What is an equivalent set? A) A set with only one object. B) A set with different objects. C) A set with the same number of objects. D) A set that is empty. Show Answer Correct Answer: C) A set with the same number of objects. 25. If A = \{a, b, c, d, e, f\}, B = \{b, d, f, g\} and U = \{a, b, c, d, e, f, g, h\}.Find:(A-B )' A) \{a, c, e\}. B) \{a, b, c, d, e, f\}. C) \{b, d, f, g, h\}. D) \{ \}. Show Answer Correct Answer: C) \{b, d, f, g, h\}. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 1 Sets Quiz 1Class 11 Mathematics Chapter 1 Sets Quiz 2Class 11 Mathematics Chapter 1 Sets Quiz 3Class 11 Mathematics Chapter 1 Sets Quiz 4Class 11 Mathematics Chapter 1 Sets Quiz 5Class 11 Mathematics Chapter 1 Sets Quiz 6Class 11 Mathematics Chapter 1 Sets Quiz 7Class 11 Mathematics Chapter 1 Sets Quiz 8Class 11 Mathematics Chapter 1 Sets Quiz 9Class 11 Mathematics Chapter 1 Sets Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books