(a) (A – B) ∪ (A – C) (a) (A × B) ∪ (A × C) (b) [5, 6, 7] (d) (A – B) ∩ (A – C), Answer: (d) (A – B) ∩ (A – C) Question 1. If A, B and C are any three sets, then A – (B ∪ C) is equal to Question 1: Which of the following are sets? Check the below NCERT MCQ Questions for Class 11 Maths Chapter 1 Sets with Answers Pdf free download. Wishing to crack the MCQs sections in the board examinations, then you should practice & prepare all concepts thoroughly to attempt objective type questions … Hint: Now, A – B = {2, 4}, Question 4. Total students = 50 So, S = {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}, Question 9. Hint: (iii) A team of eleven best-cricket batsmen of the world. Number of subsets of A = 2m Now, A ∪ B ∪ C = A + B + C – (A ∩ B + B ∩ C + C ∩ A) + (A ∩ B ∩ C) Question 7. Write the following sets in the roster form. (i) A = {x | x is a positive integer less than 10 and 2 – 1 is … (a) Difference of A and B of B and A(b) None of the above(c) Difference of B and A(d) Both a and b, Answer: (a) Difference of A and B of B and AHint:A – B will read as difference of A and B of B and AEx: Let A = {1, 2, 3, 4, 5} and B = {1, 3, 5, 7}Now, A – B = {2, 4}, Question 4.If A, B and C are any three sets, then A × (B ∪ C) is equal to(a) (A × B) ∪ (A × C)(b) (A ∪ B) × (A ∪ C)(c) None of these(d) (A × B) ∩ (A × C), Answer: (a) (A × B) ∪ (A × C)Hint:Given A, B and C are any three sets.Now, A × (B ∪ C) = (A × B) ∪ (A × C), Question 5.IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to(a) [5, 6, 7, 8, 9](b) [5, 6, 7](c) [7, 8, 9](d) None of these, Answer: (a) [5, 6, 7, 8, 9]Hint:Given A = [5, 6, 7] and B = [7, 8, 9]then A ∪ B = [5, 6, 7, 8, 9], Question 6.Which of the following sets are null sets(a) {x: |x |< -4, x ?N}(b) 2 and 3(c) Set of all prime numbers between 15 and 19(d) {x: x < 5, x > 6}. Given A, B and C are any three sets. Students can download the Statistics Class 10 MCQs Questions with Answers from here and test their problem-solving skills. (a) {x: |x |< -4, x ?N} Students can access the NCERT MCQ Questions for Class 7 Maths Chapter 13 Exponents and Powers Pdf free download aids in your exam preparation and you can get a good hold of the chapter. How many rational and irrational numbers are possible between 0 and 1? and m – n = 2 Hint: Given {(a, b) : a² + b² = 1} on the set S. (a) ∪ – A (c) 26 Now, according to question The locus of a point, whose abscissa and ordinate are always equal is (a) x + y + 1 = 0 (b) x – y = 0 (c) x + y = 1 (d) none of these. Two finite sets have N and M elements. शिक्षण प्रक्रिया में शिक्षक को अनेक कार्य एक साथ करने पड़ते हैं जैसे लिखना, प्रश्न पूछना, स्पष्ट करना, प्रदर्शन करना... 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Question 19.In a class of 50 students, 10 did not opt for math, 15 did not opt for science and 2 did not opt for either. Hint: NCERT Exemplar Class 11 Maths is very important resource for students preparing for XI Board Examination. (d) Infinite Set. Answers of all CBSE Class 12 Maths MCQs Multiple Choice Questions with Answers provided here with detailed solutions so that you can easily understand the logic behind each answer. (A’)’ = ? If A, B and C are any three sets, then A – (B ∪ C) is equal to (a) (A – B) ∪ (A – C) (b) (A – B) ∪ C (c) (A – B) ∩ C (d) (A – B) ∩ (A – C) Answer. (c) Difference of B and A 11 views. A – B is read as? Now x is saisfied by all values. Maths MCQs for Class 7 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (d) None of these, Answer: (a) [5, 6, 7, 8, 9] (d) A = {1, 2, 4} and B = {1, 2, 3}. Students can download the Rational Numbers Class 7 MCQs Questions with Answers from here and test their problem-solving skills. Trigonometric Functions Class 11 MCQs Questions with Answers. How many students of the class opted for both math and science. Hint: Therefore, C ∩ A = 120/14 = 8 The value of cos² x + cos² y – 2cos x × cos y × cos (x + y) is (a) sin (x + y) (b) sin² (x + y) (c) sin³ (x + y) (d) sin 4 (x + y) Answer. Use MCQ Questions for Class 6 Maths with Answers during preparation and score maximum marks in the exam. The set of questions will be new every time you go for test. (b) 41 If you have any queries regarding CBSE Class 11 Maths Sets MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. (d) reflexive and transitive. Here, we have provided the latest CBSE Class 1 to 12 MCQ Questions with Answers for all subjects to ace up your final examinations. Class 10 Maths Chapter 1 MCQ of Real Numbers. We have provided Sets Class 11 Maths MCQs Questions with Answers to help students understand the concept very well. (a) 24 Sequences and Series Class 11 MCQs Questions with Answers. Answer. Hint: How many students of the class opted for both math and science. Number of subsets of B = 2n Students who are looking for Multiple Choice Type Questions (MCQs) for all subjects can download from here. Question 1. (b) A = {1, 2} and B = {1, 2, 3} The range of the function f(x) = 3x – 2‚ is Question 1. शिक्षण प्रक्रिया में शिक्षक को अनेक कार्य एक साथ करने पड़ते हैं जैसे लिखना, प्रश्न पूछना, स्पष्ट करना, प्रदर्शन करना आदि... शिक्षण कौशल ( Teaching Skill) Now a² +b² = b² + a² = 1 (b) A = C Students can access the NCERT MCQ Questions for Class 10 Maths Chapter 4 Quadratic Equations with Answers Pdf free download aids in your exam preparation and you can get a good hold of the chapter. (b) None of the above (d) Both a and b, Answer: (a) Difference of A and B of B and A (a) Range R = {2, 4} MCQ Questions for Class 11 English with Answers were prepared according to the latest question paper pattern. (b) (A – B) ∪ C (b) Invalid Set शिक्षण कौशल (Teaching Skill) Question 1. The set S consists of the square of an integer less than 100 Answer: (a) AP Hint: Given a, b, c are in GP ⇒ b² = ac ⇒ b² – ac = 0 So, ax² + 2bx + c = 0 have equal roots. (d) X > 0, Y > 0, Answer: (d) X > 0, Y > 0 2m – 2n = 48 (b) X < 0, Y < 0 (a) 19 Make use of the Chapter Wise MCQ Quiz Questions for Class 11 … (a) A = {1, 2} and B = {1} So, an empty set is a finite set. ⇒ m – 4 = 2 (iv) The collection of all boys in your class. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. Question 1.If A, B and C are any three sets, then A – (B ∪ C) is equal to(a) (A – B) ∪ (A – C)(b) (A – B) ∪ C(c) (A – B) ∩ C(d) (A – B) ∩ (A – C), Answer: (d) (A – B) ∩ (A – C)Hint:Given A, B and C are any three sets.Now, A – (B ∪ C) = (A – B) ∩ (A – C), Question 2. Use MCQ Questions for Class 7 Maths with Answers during preparation and score maximum marks in the exam. (a) 0 ⇒ 2n(2m – n – 1) = 24(22 – 1) Students can solve NCERT Class 7 Maths Integers MCQs Pdf with Answers to know their preparation level. Practicing these Silk Road Class 11 English MCQs Questions with Answers really effective to improve your basics and learn all the key concepts. If a, b, c are in G.P., then the equations ax² + 2bx + c = 0 and dx² + 2ex + f = 0 have a common root if d/a, e/b, f/c are in (a) AP (b) GP (c) HP (d) none of these. The chapter-wise objective questions are given to students to make them understand each concept and help them to score good marks in exams. Given R = {(2, 1),(4, 3),(4, 5)} Real Numbers MCQ Questions; Polynomials MCQ Questions (a) Range R = {2, 4}(b) Range R = {1, 3, 5}(c) Range R = {2, 3, 4, 5}(d) Range R {1, 1, 4, 5}, Answer: (b) Range R = {1, 3, 5}Hint:Given R = {(2, 1),(4, 3),(4, 5)}then Range(R) = {1, 3, 5}, Question 8.The members of the set S = {x | x is the square of an integer and x < 100} is(a) {0, 2, 4, 5, 9, 58, 49, 56, 99, 12}(b) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}(c) {1, 4, 9, 16, 25, 36, 64, 81, 85, 99}(d) {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}, Answer: (b) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}Hint:The set S consists of the square of an integer less than 100So, S = {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}, Question 9.In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. Number of students who opted for none of the three subjects = 120 – 79 = 41, Question 10. ⇒ x = (y + 2)/3 Question 17.If A = [5, 6, 7] and B = [7, 8, 9] then A U B is equal to(a) [5, 6, 7, 8, 9](b) [5, 6, 7](c) [7, 8, 9](d) None of these, Answer: (a) [5, 6, 7, 8, 9]Hint:Given A = [5, 6, 7] and B = [7, 8, 9]then A U B = [5, 6, 7, 8, 9], Question 18.Which of the following two sets are equal? Question 1. Hint: X < 0, Y > 0, Question 15. Kindly give Chapter 1 Sets Class 11 Maths MCQs Questions with Answers quickly as it is very essential. We have provided Sets Class 11 Maths MCQs Questions with Answers to help students understand the concept very well. This is because between any two numbers, there are infinite numbers. (a) (- ∞, ∞) Use MCQ Questions for Class 10 Maths with Answers during preparation and score maximum marks in the exam. Hint: X > 0, Y > 0. (b) symmetric (ii) The collection of ten most talented writers of India. Given A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C then B = C, Question 14. Therefore, A ∪ B ∪ C = 60 + 24 + 17 – (12 + 8 + 3) + 1 = 79 (d) {x: x < 5, x > 6}. Class 8 Maths Chapter 1 (Rational Numbers) MCQs are provided here online for students. ⇒ y + 2 = 3x (c) none MCQ Questions for Class 10 Maths with Answers PDF Download Practicing NCERT Maths MCQ for Class 10 CBSE with Answers Pdf is one of the best ways to prepare for the CBSE Class 10 board exam. The number of elements in the power set of first set is 48 more than the total number of elements in power set of the second test. Check the below NCERT MCQ Questions for Class 11 Maths Chapter 1 Sets with Answers Pdf free download. Answer. Question 7.IF R = {(2, 1),(4, 3),(4, 5)}, then range of the function is? (c) {1, 4, 9, 16, 25, 36, 64, 81, 85, 99} (d) 1. These questions are prepared as per the CBSE board syllabus (2020-2021) and NCERT guidelines. Multiple Choice Questions (MCQ) for CBSE Class 11-science Mathematics chapters on Topperlearning. The area of a trapezium is 480 cm2, the distance between two parallel sides is 15 cm and one of the … Question 1. then A U B = [5, 6, 7, 8, 9], Question 18. 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(b) 6, 4 (d) X > 0, Y < 0, Answer: (b) X < 0, Y > 0 Practicing given Class 11 Maths Chapter wise Important Questions with solutions will help in scoring more marks in your Examinations. Students are recommended to solve the MCQ Questions for Class 1 to 12 on a regular basis so … MCQs for Class 1 : Practice Multiple Choice Questions( MCQs) for class 1 prepared by our experts for all subjects including Maths, Science, English Grammar, EVS, GK and Hindi. Answer: (b) 2 and 3 Which of the following two sets are equal? ⇒ m = 2 + 4 (a) B = C Hint: Now, A – (B ∪ C) = (A – B) ∩ (A – C), Question 2. (d) {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}, Answer: (b) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81} So, A = {1, 2, 3} and B = {2, 1, 3} are equal sets. In 2nd quadrant? A – B will read as difference of A and B of B and A … Hint: (b) R – {3} c. 12/7, 13/7, … (d) (0, – ∞), Answer: (a) (- ∞, ∞) Question from very important topics are covered by NCERT Exemplar Class 11.You also get idea about the type of questions and method to answer in your Class 11th … Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. Answer: (c) A = {1, 2, 3} and B = {2, 1, 3} Question 11.Two finite sets have N and M elements. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. (a) 24(b) 25(c) 26(d) 27, Answer: (d) 27Hint:Total students = 50Students who did not opt for math = 10Students who did not opt for Science = 15Students who did not opt for either maths or science = 2Total of 40 students in math and 13 did not opt for science but did for math = 40 – 13 = 27So, students of the class opted for both math and science is 27, Question 20.In last quadrant? (a) 0(b) Finite(c) Infinite(d) 1. Students who did not opt for either maths or science = 2 Answer: (b) sin² (x + y) Hint: cos² x + cos² y – 2cos x × cos y × cos(x + y) {since cos(x + y) = cos x × cos y – sin x × sin y } Given A = [5, 6, 7] and B = [7, 8, 9] Students who did not opt for Science = 15 There will not be the repetition of the questions. Download Class 10 MCQs with Answers PDF Chapter Wise. If A, B and C are any three sets, then A × (B ∪ C) is equal to We have provided Sets Class 11 Maths MCQs Questions with Answers to help students understand the concept very well. (b) A’ Free PDF download of Important Questions for CBSE Class 11 Maths prepared by expert Maths teachers from the latest edition of CBSE (NCERT) books. (a) [5, 6, 7, 8, 9] Empty set is a? The members of the set S = {x | x is the square of an integer and x < 100} is In mathematics, and more specifically set theory, the empty set is the unique set having no elements and its size or cardinality (count of elements in a set) is zero. Then the value of M and N are (b) Finite Therefore, B ∩ C = 120/35 = 3 How many opt for none of the three subjects? (a) Difference of A and B of B and A These MCQ's are extremely critical for all CBSE students to score better marks. So, Range{f(x)} = R = (-∞, ∞), Question 13. numbered students would have opted for Chemistry and Math. (c) [7, 8, 9] (a) reflexive Use MCQ Questions for Class 10 Maths with Answers during preparation and score maximum marks in the exam. Hint: (b) 25 The 10th, 20th, 30th….. numbered students would have opted for both Physics and Chemistry. Practicing these The Address Class 11 English MCQs Questions with Answers really effective to improve your basics and learn all the key concepts. Question 17. Total of 40 students in math and 13 did not opt for science but did for math = 40 – 13 = 27 { (A, B) : A² +B² = 1} on the sets has the following relation Question 16.Empty set is a? (a) X < 0, Y > 0 (c) X > 0, Y > 0 Students can solve NCERT Class 10 Maths Real Numbers MCQs with Answers to know their preparation level. Integers Class 7 […] 2 and 3 is the null set. The coefficient of y in the expansion of (y² + c/y) 5 is (a) 10c (b) 10c² (c) 10c³ (d) None of these. MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. (c) Range R = {2, 3, 4, 5} (c) 21 Sets Class 11 MCQs Questions with Answers. (b) [5, 6, 7] (a) Finite Set Answer: (b) symmetricHint:Given {(a, b) : a² + b² = 1} on the set S.Now a² +b² = b² + a² = 1So, the given relation is symmetric. (i) The collection of all months of a year beginning with the letter J. (a) [5, 6, 7, 8, 9] Answer. Ex: Let A = {1, 2, 3, 4, 5} and B = {1, 3, 5, 7} Kindly give Chapter 4 Determinants Class 12 Maths MCQs Questions with Answers quickly as … Answer: (a) Finite Set Answer: (c) Infinite Given A, B and C are any three sets. In the second quadrant, Straight Lines Class 11 MCQs Questions with Answers. (c) [7, 8, 9] (a) X < 0, Y < 0 Students can download the Knowing Our Numbers Class 6 MCQs Questions with Answers from here and test their problem-solving skills. Click here to join our FB Page and FB Group for Latest update and preparation tips and queries. Check the below NCERT MCQ Questions for Class 11 Maths Chapter 1 Sets with Answers Pdf free download. C is the set of those who opted for Math = 120/7 = 17 So, n = 4 If you have any queries regarding CBSE Class 11 Maths Sets MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. (a) X < 0, Y > 0(b) X < 0, Y < 0(c) X > 0, Y < 0(d) X > 0, Y > 0, Answer: (d) X > 0, Y > 0Hint:In the last quadrant,X > 0, Y > 0. All the MCQ Questions are provided following the NCERT Curriculum and Latest CBSE Syllabus. Hint: MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. { (A, B) : A² +B² = 1} on the sets has the following relation(a) reflexive(b) symmetric(c) none(d) reflexive and transitive. If A = [5, 6, 7] and B = [7, 8, 9] then A U B is equal to Hint: Now, A × (B ∪ C) = (A × B) ∪ (A × C), Question 5. (c) Infinite Answer: (c) A = {1, 2, 3} and B = {2, 1, 3}Hint:Two sets are equal if and only if they have the same elements.So, A = {1, 2, 3} and B = {2, 1, 3} are equal sets. (a) X < 0, Y < 0(b) X < 0, Y > 0(c) X > 0, Y > 0(d) X > 0, Y < 0, Answer: (b) X < 0, Y > 0Hint:In the second quadrant,X < 0, Y > 0, Question 15.How many rational and irrational numbers are possible between 0 and 1? In the last quadrant, MCQ Questions with Answers for Class 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1 all Subjects MCQ Questions for Class 6 with Answers MCQ Questions for Class 6 Maths Let the given function is Which of the following sets are null sets (c) A = B = C Answer: (d) (A – B) ∩ (A – C) Hint: Given A, B and C are any three sets. IF R = {(2, 1),(4, 3),(4, 5)}, then range of the function is? 5/2, 6/2, 7/2. (c) (- ∞, 0) (a) 7, 6 . Answer: (b) symmetric (c) ∪ Let A and B be two sets having m and n numbers of elements respectively The 35th, 70th…. (d) A, Question 3. Hint: (a) {0, 2, 4, 5, 9, 58, 49, 56, 99, 12} MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. (d) 27, Answer: (d) 27 (a) A = {1, 2} and B = {1}(b) A = {1, 2} and B = {1, 2, 3}(c) A = {1, 2, 3} and B = {2, 1, 3}(d) A = {1, 2, 4} and B = {1, 2, 3}. Two sets are equal if and only if they have the same elements. 13/4, 14/4, 15/4. शिक्षण प्रक्रिया में शिक्षक को अनेक कार्य एक साथ करने पड़ते हैं जैसे लिखना, प्रश्न पूछना, स्पष्ट करना, प्रदर्शन करना... शिक्षण कौशल ( Teaching Skill) (c) A = {1, 2, 3} and B = {2, 1, 3} Links to get access to all the CBSE Class 10 Maths MCQs are provided below Therefore, A ∩ B = 120/10 = 12 Use MCQ Questions for Class 7 Maths with Answers during preparation and score maximum marks in the exam. The number of students who took at least one of the three subjects can be found by finding out A ∪ B ∪ C, where A is the set of those who took Physics, B the set of those who took Chemistry and C the set of those who opted for Math. The three rational numbers between 3 and 4 are: a. Students who did not opt for math = 10 Practicing these Multiple Choice Questions for Class 10 Maths can be a quick revision for students to cover all the concepts in the Chapters. Free PDF Download of CBSE Maths Multiple Choice Questions for Class 7 with Answers Chapter 1 Integers. (d) Range R {1, 1, 4, 5}, Answer: (b) Range R = {1, 3, 5} Here you will find Chapter Wise NCERT MCQ Questions for Class 12 Maths with Answers PDF Free Download based on the important concepts and topics given in the textbook. So, the given relation is symmetric. then A ∪ B = [5, 6, 7, 8, 9], Question 6. शिक्षण प्रक्रिया में शिक्षक को अनेक कार्य एक साथ करने पड़ते हैं जैसे लिखना, प्रश्न पूछना, स्पष्ट करना, प्रदर्शन करना... शिक्षण कौशल ( Teaching Skill) (b) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81} We have compiled NCERT MCQ Questions for Class 11 English Snapshots Chapter 2 The Address with Answers Pdf free download. numbered students would have opted for Chemistry and Math.Therefore, B ∩ C = 120/35 = 3And the 70th numbered student would have opted for all three subjects.Therefore, A ∪ B ∪ C = 60 + 24 + 17 – (12 + 8 + 3) + 1 = 79Number of students who opted for none of the three subjects = 120 – 79 = 41, Question 10. Question 11. MCQ Questions for Class 9 Maths Chapter 1 Number System with Answers MCQs from Class 9 Maths Chapter 1 – Number System are provided here to help students prepare for their upcoming Maths exam. Justify your answer. Answer: (b) 2 and 3Hint:2 and 3 is the null set. How many opt for none of the three subjects? We hope the given NCERT MCQ Questions for Class 11 Maths Chapter 1 Sets with Answers Pdf free download will help you. MCQ Questions for Class 10 Maths with Answers was Prepared Based on Latest Exam Pattern. Hint: Answer: (c) 10c³ Hint: Given, binomial expression is (y² + c/y) 5 Now, T r+1 = 5 C r × (y²) 5-r × (c/y) r = 5 C r × y 10-3r × C r Now, 10 – 3r = 1 ⇒ 3r = 9 ⇒ r = 3 Answer: (c) InfiniteHint:There are infinite many rational and irrational numbers are possible between 0 and 1This is because between any two numbers, there are infinite numbers. (b) X < 0, Y > 0 (b) (A ∪ B) × (A ∪ C) (c) None of the above In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. (a) Finite Set(b) Invalid Set(c) None of the above(d) Infinite Set. (c) 7, 4 There are infinite many rational and irrational numbers are possible between 0 and 1 then Range(R) = {1, 3, 5}, Question 8. Question 19. Multiple Choice Questions for Classes 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1. We have compiled NCERT MCQ Questions for Class 11 English Hornbill Chapter 8 Silk Road with Answers Pdf free download. In last quadrant? (d) 6, 3, Answer: (b) 6, 4 Hint: Multiple Choice Questions are containing important questions for CBSE Board Examination 2020-21 and targeting to provide an ample practice for all the students free of cost. Answer: (a) Finite SetHint:In mathematics, and more specifically set theory, the empty set is the unique set having no elements and its size or cardinality (count of elements in a set) is zero.So, an empty set is a finite set. Hint: Free PDF Download of CBSE Class 10 Maths Chapter 1 Real Numbers Multiple Choice Questions with Answers. (a) 19(b) 41(c) 21(d) 57, Answer: (b) 41Hint:The number of students who took at least one of the three subjects can be found by finding out A ∪ B ∪ C, where A is the set of those who took Physics, B the set of those who took Chemistry and C the set of those who opted for Math.Now, A ∪ B ∪ C = A + B + C – (A ∩ B + B ∩ C + C ∩ A) + (A ∩ B ∩ C)A is the set of those who opted for Physics = 120/2 = 60 studentsB is the set of those who opted for Chemistry = 120/5 = 24C is the set of those who opted for Math = 120/7 = 17The 10th, 20th, 30th….. numbered students would have opted for both Physics and Chemistry.Therefore, A ∩ B = 120/10 = 12The 14th, 28th, 42nd….. Numbered students would have opted for Physics and Math.Therefore, C ∩ A = 120/14 = 8The 35th, 70th…. Question 16. In a class of 50 students, 10 did not opt for math, 15 did not opt for science and 2 did not opt for either. B is the set of those who opted for Chemistry = 120/5 = 24 If A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then, (d) None of these, Answer: (a) [5, 6, 7, 8, 9] MCQs from CBSE Class 9 Maths Chapter 1: Number System 1. (d) (A × B) ∩ (A × C), Answer: (a) (A × B) ∪ (A × C) Answer: (b) x – y = 0 Hint: Let the coordinate of the variable point P is (x, y) Now, the abscissa of this point = x and its ordinate = y And the 70th numbered student would have opted for all three subjects. (c) Set of all prime numbers between 15 and 19 Now, A … ⇒ m = 6, Question 12. (b) Range R = {1, 3, 5} A is the set of those who opted for Physics = 120/2 = 60 students (b) 2 and 3 IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to (d) 57, Answer: (b) 41 Given A = [5, 6, 7] and B = [7, 8, 9] Hint: (d) A = B, Answer: (a) B = C y = 3x – 2 Hint: asked 1 hour ago in Class XII Maths by manish56 (-20,799 points) Provide me latest MCQ Questions for Class 12 Maths Chapter 4 Determinants Free PDF Download so I can prepare for exams. MCQ Questions for Class 11 English with Answers were prepared according to the latest question paper pattern. (c) None of these Then the value of M and N are(a) 7, 6(b) 6, 4(c) 7, 4(d) 6, 3, Answer: (b) 6, 4Hint:Let A and B be two sets having m and n numbers of elements respectivelyNumber of subsets of A = 2mNumber of subsets of B = 2nNow, according to question2m – 2n = 48⇒ 2n(2m – n – 1) = 24(22 – 1)So, n = 4and m – n = 2⇒ m – 4 = 2⇒ m = 2 + 4⇒ m = 6, Question 12.The range of the function f(x) = 3x – 2‚ is(a) (- ∞, ∞)(b) R – {3}(c) (- ∞, 0)(d) (0, – ∞), Answer: (a) (- ∞, ∞)Hint:Let the given function isy = 3x – 2⇒ y + 2 = 3x⇒ x = (y + 2)/3Now x is saisfied by all values.So, Range{f(x)} = R = (-∞, ∞), Question 13.If A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then,(a) B = C(b) A = C(c) A = B = C(d) A = B, Answer: (a) B = CHint:Given A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C then B = C, Question 14.In 2nd quadrant? (a) ∪ – A(b) A’(c) ∪(d) A, Question 3.A – B is read as? (c) (A – B) ∩ C b. 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