allery7 மற்றும் 21 ஆகியவற்றின் மீ.சி.ம (LCM) என்ன?
A21
B7
C3
D147
Answer & Solution
Correct answer: A. 21
21 என்பது ஏற்கனவே 7-இன் மடங்கு ஆகும், எனவே மிகச்சிறிய பொது மடங்கு 21 ஆகும்.
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