allery7 ਅਤੇ 21 ਦਾ LCM ਕੀ ਹੈ?
A21
B7
C3
D147
Answer & Solution
Correct answer: A. 21
21 ਪਹਿਲਾਂ ਹੀ 7 ਦਾ ਗੁਣਜ ਹੈ, ਇਸ ਲਈ ਸਭ ਤੋਂ ਛੋਟਾ ਆਮ ਗੁਣਜ 21 ਹੈ।
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