Entry Exam Category: College Admission Exams
Course: Texas Success Initiative Assessment 2.0
Exam: TSIA2 Math Practice Test
Practice Question
If a number from set M is selected at random, what is the probability that the number selected will be a factor of 12?
Answer Choices
- A: 0.1
- B: 0.2
- C: 0.4
- D: 0.5
Correct Answer: C
Rationale: Set M = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20}, total = 10 numbers. Factors of 12 in M: {2, 4, 6, 12}, count = 4. Probability = 4/10 = 0.4. Thus, the correct answer is 0.4.