C-04-Q154mediumsingle_mcqlog1027+log108−log101000log101.2=?\dfrac{\log_{10} \sqrt{27} + \log_{10} 8 - \log_{10} \sqrt{1000}}{\log_{10} 1.2} = ?log101.2log1027+log108−log101000=? (Example 10)a23\dfrac{2}{3}32b32\dfrac{3}{2}23c111d222ব্যাখ্যাThe numerator simplifies to log1027⋅81000=log1033⋅81010\log_{10}\dfrac{\sqrt{27}\cdot 8}{\sqrt{1000}} = \log_{10}\dfrac{3\sqrt3 \cdot 8}{10\sqrt{10}}log10100027⋅8=log10101033⋅8, which reduces to log10(1.2)3/2\log_{10}(1.2)^{3/2}log10(1.2)3/2. Dividing by log101.2\log_{10} 1.2log101.2 leaves 32\dfrac{3}{2}23.