alleryତିନୋଟି ଆଲୋକ ପ୍ରତି 48 s, 72 s ଏବଂ 108 s ରେ ପରିବର୍ତ୍ତିତ ହୁଏ। କେତେ ସେକେଣ୍ଡ ପରେ ସେଗୁଡ଼ିକ ପୁନର୍ବାର ଏକାଠି ପରିବର୍ତ୍ତିତ ହେବେ?
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, ତେଣୁ LCM ହେଉଛି 2^4 x 3^3 = 432।
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