allery7 మరియు 21 ల LCM ఎంత?
A21
B7
C3
D147
Answer & Solution
Correct answer: A. 21
21 ఇప్పటికే 7 యొక్క గుణిజం, కాబట్టి కనిష్ట సామాన్య గుణిజం 21.
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