Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test
Practice Question
At a local bank, certificates of deposit (CDs) mature every 9 months. At another bank, CDs mature every 12 months. If CDs are purchased on the same day at each bank and are renewed when they mature, what is the least number of months that will pass before the two banks' CDs are mature at the same time?
Answer Choices
- A: 72
- B: 36
- C: 108
- D: 3
Correct Answer: B
Rationale: Find LCM of 9 and 12. Prime factors: 9 = 3^2, 12 = 2^2 * 3. LCM = 2^2 * 3^2 = 36. Thus, the correct answer is 36.