alleryতিনিটা লাইট ক্ৰমে প্ৰতি 48 s, 72 s আৰু 108 s ৰ অন্তৰে অন্তৰে সলনি হয়। কিমান ছেকেণ্ডৰ পিছত সেইবোৰ পুনৰ একেলগে সলনি হ'ব?
A324
B864
C432
D216
Answer & Solution
Correct answer: C. 432
48 = 2^4 x 3, 72 = 2^3 x 3^2, 108 = 2^2 x 3^3, গতিকে LCM হ'ল 2^4 x 3^3 = 432।
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