allery15, 20 এবং 25 এই তিনটি সংখ্যার লঘিষ্ঠ সাধারণ গুণিতক নির্ণয় করুন।
A150
B75
C300
D100
Answer & Solution
Correct answer: C. 300
15 = 3 x 5, 20 = 2^2 x 5, 25 = 5^2, সুতরাং LCM হলো 2^2 x 3 x 5^2 = 300।
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