1) The value of (13log10125−2log104+log1032) is : A) 1 B) 4 C) 45 D) 2 Answer: Option AExplanation:13log10125 −2log104 +log1032 =log10(125)1/3 −log10(4)2 +log1032 =log105 −log1016 +log1032 =log10(5×3216) =log1010 = 1.