allery7 અને 21 નો લ.સા.અ. (LCM) શું છે?
A21
B7
C3
D147
Answer & Solution
Correct answer: A. 21
21 એ પહેલેથી જ 7 નો અવયવી છે, તેથી સૌથી નાનો સામાન્ય અવયવી 21 છે.
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