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TNPSC Group 1 · 2014 Preliminary Examination

167.  \(A : B = \dfrac{1}{3} : \dfrac{4}{9},\ B : C = \dfrac{5}{6} : \dfrac{7}{12},\ C : D = \dfrac{2}{7} : \dfrac{5}{14}\) எனில் A : B : C : D ஆனது

Answer: B.   30 : 40 : 28 : 35
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