QMI1500 Elementary Quantitative Methods Department of Decision Sciences 2026/2027 (10pages)

Assignment questions, Semester 1, 2026 Assignment: 01 Due date: 28 February 2026 Unique number: 746455 l ASSIGNMENT 01 Study material: Topics 1.1 - 2.2 in the Study Guide Unique assignment number: 746455 FIXED DUE DATE: 28 February 2026 Important: • This is a multiple-choice assignment that must be answered and submitted ONLINE. • Always keep your detailed workings in a file to be able to compare your solutions to the ones that will be published on the QMI1500 module site after the due date. Also, keep a copy of the options you have chosen, in case of a query. • The due date of this assignment is fixed. No extension can be granted because the solutions will be posted on the QMI1500 module site shortly after the closing date. Question 1 Solving −7 − 3 × 2(−5) + 6 − 21 ÷ 3 gives [1] 26. [2] 99. [3] 95. [4] 22. Question 2 The correct mathematical expression for F ive less than three times a number all divided by the product of four and the same number is [1] 3n − 5 4 × 2. [2] 3n 4n − 5. [3] 3n − 5 4n . [4] 5 − 3n 4 + n . 2 QMI1500 Question 3 Below are five statements and five fractions: nnnnnStatements Fractions A. 7 1 9 written as an improper fraction nnnnn 1. 11 24 B. a fraction with a numerator of 2. 9 64 24 that is equivalent to 4 9 C. reciprocal of 32 43 3. 25 54 D. 5 27 + 5 18 4. 64 9 E. 0,375 expressed as a common fraction in 5. 24 54 simplest form and then squared Some of the statements may refer to the same fraction, therefore, a fraction can be used more than once. Match each statement with the correct fraction. Choose the correct option: [1] A: 4; B: 5; C: 4; D: 5; E: 2 [2] A: 2; B: 4; C: 5; D: 5; E: 4 [3] A: 4; B: 5; C: 4; D: 3; E: 2 [4] A: 2; B: 4; C: 5; D: 3; E: 2 Question 4 Simplifying 2 x + 2 1 x + 2 + 2 x gives [1] 2(x + 1) x . [2] 2x 3x + 4. [3] x x + 1 . [4] 2(x + 1) 3 . 3 Question 5 Kgabo completed 2 5 of a job. The next day he completed 3 8 of the remaining job. The part of the job that is still left, given as a fraction, is [1] 25 40. [2] 9 40. [3] 15 40. [4] 31 40. Question 6 Simplifying 2n × 3−5 × 23−n × 33