alleryત્રણ લાઇટ દર 48 s, 72 s અને 108 s પછી બદલાય છે. કેટલી સેકન્ડ પછી તેઓ ફરીથી એકસાથે બદલાશે?
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, તેથી લ.સા.અ. 2^4 x 3^3 = 432 છે.
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