LCM of 18 and 27 is_________?
Correct answer: C. 54
- A. 85
- B. 89
- C. 54
- D. 91Election Officer Mcqs
Explanation
Write 18 = 2 x 3^2 and 27 = 3^3. Taking the highest power of each prime gives LCM = 2 x 3^3 = 54. The likely distractor is 85, which has no connection to the required prime factors and is not divisible by either 18 or 27.
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