allery7 اور 21 کا LCM کیا ہے؟
A21
B7
C3
D147
Answer & Solution
Correct answer: A. 21
21 پہلے سے ہی 7 کا ایک ضرب ہے، لہذا سب سے چھوٹا مشترکہ ضرب 21 ہے۔
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