ISEE Word Problems Question 305: Answer and Explanation
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Question: 305
7. What is the least common multiple of 3, 4, and 18?
- A. 18
- B. 24
- C. 36
- D. 54
Correct Answer: C
Explanation:
C is correct. The least common multiple of a group of numbers is the least whole number (greater than 0) that is a multiple of all of the numbers. The least common multiple of 3, 4, and 18 is 36 (3 × 12, 4 × 9, 2 × 18).