This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Mathematical Reasoning – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Mathematical Reasoning Quiz 1 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Determine if this conjecture is true. If not, give a counterexample. The difference of two negative numbers is a negative number. A) True. B) False;-11-(-13) = 2. C) False;-7-(-5) = 2. D) False;-19-(-17). Show Answer Correct Answer: B) False;-11-(-13) = 2. 2. What is a feature of an inversely proportional graph? A) It is a straight line. B) It passes through the origin. C) It is a curved line. D) None of the above. Show Answer Correct Answer: C) It is a curved line. 3. Relation R in the set \{1, 2, 3\} given by R = \{(1, 2), (2, 1)\} A) Reflexive. B) Symmetric. C) Transitive. D) None of these. Show Answer Correct Answer: B) Symmetric. 4. For a conjecture to be true, it must be true ..... A) In most cases. B) In all cases. C) On Thursday mornings. D) At least once. Show Answer Correct Answer: B) In all cases. 5. Mrs. Jackson had 342 paint brushes.-She threw away 87 broken paint brushes.-Then she bought 150 more paint brushes.Which equation shows how to find the number of paintbrushes she has now? A) 342-87-150 = $^{ }$. B) 342-87 + 150 =. C) 342 + 87 + 150 =. D) 342 + 87-150 =. Show Answer Correct Answer: B) 342-87 + 150 =. 6. Which of the following can be modelled using a recurrence relation? A) The rate of inflation over time. B) A loan that compounds with a different compounding period. C) The growth of a plant. D) The distance traveled by a car at constant speed. Show Answer Correct Answer: B) A loan that compounds with a different compounding period. 7. In a group of 60 people, 27 like cold drinks and 42 like hot drinks and each person like at least of the two drinks. How many like both cold and hot drinks? A) 31. B) 9. C) 13. D) 15. Show Answer Correct Answer: B) 9. 8. Name the property of equality that the statement illustrates.If y = x + 4 + z and z = 2, then y = x + 6. A) Addition. B) Subtraction. C) Substitution. D) Distributive. Show Answer Correct Answer: C) Substitution. 9. What is another name for a number sentence A) Decimal. B) Sum. C) Fraction. D) Equation. Show Answer Correct Answer: D) Equation. 10. F: R $\rightarrow$ R given by f (x) = sin x is A) One one. B) Onto. C) Bijective. D) Neither one one nor onto. Show Answer Correct Answer: D) Neither one one nor onto. Next →Related QuizzesMathematical Reasoning Quiz 2Mathematical Reasoning Quiz 3Mathematical Reasoning Quiz 4Mathematical Reasoning Quiz 5Mathematical Reasoning Quiz 6Mathematical Reasoning Quiz 7Mathematical Reasoning Quiz 8Mathematical Reasoning Quiz 9Mathematical Reasoning Quiz 10Mathematical Reasoning Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books