This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Mathematics > Class 12 Mathematics Chapter 4 Determinants – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 4 Determinants Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. La Laura arriba trenta minuts tard a causa de retencions. A) Determinant article. B) Determinant possessiu. C) Determinant numeral. D) Determinant indefinit. Show Answer Correct Answer: C) Determinant numeral. 2. Det(A+B) = Det(A) + Det(B) A) Question statement is true. B) Question statement is false. C) All the above. D) None of the above. Show Answer Correct Answer: B) Question statement is false. 3. The government has put a ban on all items that are unhealthy. No store can legally sell soda over 24 ounces. The supply of anything over 24 ounces becomes non-existent. What supply factor is this? A) Change in Technology. B) Change in Cost of Factors of Production. C) Government Action. D) None of the above. Show Answer Correct Answer: C) Government Action. 4. In Jim's household, everyone consumes and enjoys milk. Recently, the price on milk increased by two dollars, but despite this increase, Jim and his family still continue to buy the same amount of milk, for they consider it a necessity. Jim's family's demand for milk would be considered fairly A) Elastic. B) Inelastic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inelastic. 5. I don't have ..... money. A) Many. B) (a) much. C) Few. D) Some. Show Answer Correct Answer: B) (a) much. 6. Determinants can be formed from any matrices. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Solve for x and y using CRAMER'S RULE3x + 2y = 167x + y = 19 A) (2, 5). B) (-2, -5). C) (2, -5). D) (-2, 5). Show Answer Correct Answer: A) (2, 5). 8. Cultural motivation includes ..... A) Relaxing at a spa. B) Interest in art, history, and traditions. C) Luxury travel for prestige. D) Visiting relatives. Show Answer Correct Answer: B) Interest in art, history, and traditions. 9. The number of people who desire to play on the school's soccer team has increased, what will happen to the demand for soccer balls. A) It will decrease. B) It will stay the same. C) It will increase. D) None of the above. Show Answer Correct Answer: C) It will increase. 10. I had ..... to help me. A) Many. B) (c) some. C) Little. D) (a) few. Show Answer Correct Answer: B) (c) some. 11. Els determinants quantitatius que no indiquen la quantitat exacta del substantiu es diuen A) Numerals. B) Indefinits. C) Cardinals. D) None of the above. Show Answer Correct Answer: B) Indefinits. 12. Matrices A & B are inverse of each other only if A) AB = BA. B) AB = BA = I. C) AB = BA = O. D) AB = O, BA = I. Show Answer Correct Answer: B) AB = BA = I. 13. A is a skew symmetric matrix of order 3 and B is square matrix of order 3. If |B| = 4 then A) |AB| = 4. B) |AB| = 0. C) AB not defined. D) |AB| = 1. Show Answer Correct Answer: B) |AB| = 0. 14. If A is any invertible matrix then A is A) Square matrix. B) Non singular matrix. C) Both. D) None of these. Show Answer Correct Answer: C) Both. 15. ..... means the basic returns that an employee obtains from his/her work. A) Compensation. B) Salary. C) Wage. D) None of the above. Show Answer Correct Answer: A) Compensation. 16. The rate of compensation should not be determined differently on the basis of caste, religion, gender, race, etc. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Which determinant of demand would be activated if the American Heart Association announced that eating canned tuna shortens people's lives by 10 years? Then, people stop eating tuna. A) Substitutes. B) Income. C) Tastes/ Preferences. D) Population. E) Complements. Show Answer Correct Answer: C) Tastes/ Preferences. 18. Compensation rates should be competitive. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which of these is a characteristic that can lead to health inequality? A) Eye color. B) Height. C) Location. D) Favorite food. Show Answer Correct Answer: C) Location. 20. When demand is elastic, a decrease in price will result in: A) A decrease in quantity demanded. B) No change in quantity demanded. C) An increase in quantity demanded. D) Perfectly elastic demand. Show Answer Correct Answer: C) An increase in quantity demanded. 21. Compensation should be adjusted according to the ..... of market price rate. A) Rise. B) Fall. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rise. 22. Hi ha ..... moto de color blau A) Aquesta. B) Aquella. C) Una. D) None of the above. Show Answer Correct Answer: C) Una. 23. What effect does a product's luxury status have on its price elasticity of demand? A) It makes the demand more elastic. B) It makes the demand more inelastic. C) It has no significant effect on demand elasticity. D) It leads to perfectly inelastic demand. Show Answer Correct Answer: A) It makes the demand more elastic. 24. Solve the system using Gauss-Jordan elimination with matrices.-x + y-z =-142x-y + z = 213x + 2y + z = 19 A) (2, 3, 4). B) (2, -3, 4). C) (4, 3, 7). D) (7, -3, 4). Show Answer Correct Answer: D) (7, -3, 4). 25. A determinant say 'c'can be represented as A) $\left|C\right|$. B) $\Delta$. C) $\det\left(C\right)$. D) All of these. Show Answer Correct Answer: D) All of these. 26. What is the term for a matrix with all its diagonal elements equal to one and all other elements equal to zero? A) Triangular matrix. B) Diagonal matrix. C) Identity matrix. D) Symmetric matrix. Show Answer Correct Answer: C) Identity matrix. 27. Much of the tea in the U.S. is imported from India. If wages for Indian tea workers rose, thus increasing input costs, how would this effect supply of tea in the U.S.? A) Supply would increase. B) India is not a real country. C) Supply would Decrease. D) Supply would stay the same. Show Answer Correct Answer: C) Supply would Decrease. 28. Introduction of a New Hair Dye Technique Sparks Interest!What is the Determinant of Supply? A) Change in number of producers. B) Change in government policies-taxes, subsidies, regulations. C) Change in technology. D) Change in consumer preferences. Show Answer Correct Answer: C) Change in technology. 29. A determinant can be formed from a 2x2 Matrix A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 30. ..... fertilizer used these days spoils the soil A) Some. B) (c) Many. C) A few. D) The little. Show Answer Correct Answer: A) Some. 31. DETERMINANT ARTICLE A) La meua. B) La. C) Aquesta. D) Alguna. Show Answer Correct Answer: B) La. 32. An example of an external barrier is ..... A) Language difficulties. B) Lack of personal money. C) Strict visa regulations. D) Illness. Show Answer Correct Answer: C) Strict visa regulations. 33. Prominence is ..... A) News about people, usually those involved in some emotional struggle. B) A news value that is about what is happening right now or as an event it unfolding. C) News that affects "close to home" or in the area of the readers/viewers. D) News about a famous person or public figure. Show Answer Correct Answer: D) News about a famous person or public figure. 34. Choicequatre cents milcinquanta milset cents dotze A) Quatre-cents cinquanta milset-cents dotze. B) Quatre-centscinquanta-milset-cents dotze. C) Quatrecentscinquanta milsetcents dotze. D) None of above. Show Answer Correct Answer: A) Quatre-cents cinquanta milset-cents dotze. 35. Which of the following is a social determinant of health? A) Blood pressure. B) Income and employment status. C) Genetic mutation. D) Heart rate. Show Answer Correct Answer: B) Income and employment status. 36. ALGUNES xiquetes faran EL ball. A) Demostratiuarticle. B) Numeralarticle. C) Indefinitarticle. D) Numeralpossessiu. Show Answer Correct Answer: C) Indefinitarticle. 37. A is a square matrix of order 3.If |A| = 5 then |adj(adjA|= A) 3125. B) 25. C) 625. D) 125. Show Answer Correct Answer: C) 625. 38. He menjat massa. Estic molt tipa. A) Determinant. B) Adverbi. C) Pronom. D) None of the above. Show Answer Correct Answer: B) Adverbi. 39. I can't find ..... keys anywhere. A) Any. B) An. C) The. D) A. E) Some. Show Answer Correct Answer: A) Any. 40. Quel est le determinant possessif? A) Une. B) Ses. C) Cette. D) La. Show Answer Correct Answer: B) Ses. 41. A person who loses their job and their employer-provided health insurance. This situation is an example of ..... A) Neighborhood and Built Environment. B) Social and Community Context. C) Health Care Access and Quality. D) Economic Stability. Show Answer Correct Answer: C) Health Care Access and Quality. 42. Which social determinant of health includes factors such as transportation options and access to parks and recreational facilities? A) Economic stability. B) Healthcare access. C) Physical environment. D) Social and community context. Show Answer Correct Answer: C) Physical environment. 43. El fred em desperta, miro el rellotge, que marca les dotze, i m'entra gana. A) Determinant possessiu. B) Determinant indefinit. C) Determinant demostratiu. D) Determinant article. Show Answer Correct Answer: D) Determinant article. 44. Which of the of the following statements is correct? A) Determinant is a number associated to a matrix. B) Determinant is a square matrix. C) Determinant is a number associated to a square matrix. D) None of the above. Show Answer Correct Answer: C) Determinant is a number associated to a square matrix. 45. For a surjective function the relation between range and codomain is A) Codomain $\subset$. B) Codomain $\subseteq$. C) Range $\subset$. D) Range $\subseteq$. Show Answer Correct Answer: D) Range $\subseteq$. 46. What is the first step in solving a system of equations by elimination/matrices? A) Get both equations in standard form and line up the like terms. B) Get both equations in slope-intercept form. C) Get both equations equal to zero. D) Put the x terms first. Show Answer Correct Answer: A) Get both equations in standard form and line up the like terms. 47. Flight tickets and accommodation are complimentary goods. When the price of flight tickets falls, demand for accommodation ..... and the demand curve of accommodation shifts ..... A) Decreases; rightward. B) Increases; leftward. C) Increases; rightward. D) Decreases; leftward. Show Answer Correct Answer: C) Increases; rightward. 48. Completa amb l'article indeterminat ..... noies anaven passejant pel carrer. A) Una. B) Unes. C) Les. D) La. Show Answer Correct Answer: B) Unes. 49. New Government Regulation Requires All Salons to be Eco-Friendly!What is the Determinant of Supply? A) Change in number of producers. B) Change in consumer preferences. C) Change in technology. D) Change in government policies-taxes, subsidies, regulations. Show Answer Correct Answer: D) Change in government policies-taxes, subsidies, regulations. 50. What does "mi" mean in English? A) They. B) My. C) I. D) He. E) You. Show Answer Correct Answer: B) My. 51. If $A$ $B$ $A+B$ $AB$ A) $A$ $B$. B) $A$ $B$. C) Number of columns of $A=$ $B$. D) $A$ $B$. Show Answer Correct Answer: A) $A$ $B$. 52. If A is an invertible matrix of order 3 and |A|=5 then find |Adj A| A) 25. B) 15. C) 125. D) 5. Show Answer Correct Answer: A) 25. 53. What does the letter 'R' stand for in the mnemonic device? A) Responsibility. B) Resources/costs. C) Repetition. D) Rising Supply. Show Answer Correct Answer: B) Resources/costs. 54. Suppose a square matrix B is obtained by multiplying row $s$ $\mu$ A) $\mu\det\left(B\right)=\det\left(A\right)$. B) $\det\left(B\right)=\mu\det\left(A\right)$. C) $\det\left(B\right)=\det\left(A\right)$. D) $\det\left(B\right)=-\det\left(A\right)$. Show Answer Correct Answer: B) $\det\left(B\right)=\mu\det\left(A\right)$. 55. What are determinants of health? A) Factors that influence health outcomes. B) Only genetic conditions. C) Hospital facilities. D) Medical treatments. Show Answer Correct Answer: A) Factors that influence health outcomes. 56. Era un migdia gris i avorrit quan vam rebre una trucada inesperada. A) Article determinat. B) Article indeterminat. C) All the above. D) None of the above. Show Answer Correct Answer: B) Article indeterminat. 57. How does the determinant of a triangular matrix compare to its diagonal elements? A) The determinant is the average of the diagonal elements. B) The determinant is always zero for triangular matrices. C) The determinant is the product of the diagonal elements. D) The determinant is the sum of the diagonal elements. Show Answer Correct Answer: C) The determinant is the product of the diagonal elements. 58. It's crucial to be aware of the availability of the relevant talent in the geographical region where you're recruiting. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. What determines a person's socioeconomic position? A) Education and occupation. B) Age and genetic makeup. C) Income and social class. D) Gender and race. Show Answer Correct Answer: A) Education and occupation. 60. Solve the system using Cramer's Rule. 5x + 8y =-123x + 5y =-7 A) (1, 10). B) (-4, 1). C) (1, -10). D) (-4, 7). Show Answer Correct Answer: B) (-4, 1). ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Mathematics Chapter 4 Determinants Quiz 1Class 12 Mathematics Chapter 4 Determinants Quiz 3Class 12 Mathematics Chapter 4 Determinants Quiz 4Class 12 Mathematics Chapter 4 Determinants Quiz 5Class 12 Mathematics Chapter 4 Determinants Quiz 6Class 12 Mathematics Chapter 4 Determinants Quiz 7Class 12 Mathematics Chapter 4 Determinants Quiz 8Class 12 Mathematics Chapter 1 Relations And Functions Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books