यदि $\log _{4} x+\log _{8} x=5$ है,तो $x$ का मान क्या होगा?

  • A
    $16$
  • B
    $32$
  • C
    $48$
  • D
    $64$

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$2 \log _{10} 5 + \log _{10} 8 - \frac{1}{2} \log _{10} 4 = ?$

$\log _{5}\left(1+\frac{1}{5}\right)+\log _{5}\left(1+\frac{1}{6}\right)+\log _{5}\left(1+\frac{1}{7}\right)+\cdots+\log _{5} \left(1+\frac{1}{624}\right)$

यदि $y = \frac{1}{a^{1-\log _{a} x}}$,$z = \frac{1}{a^{1-\log _{a} y}}$ और $x = a^{k}$ है,तो $k =$

यदि $\log (2 a-3 b)=\log a-\log b$ है,तो $a=$

मान ज्ञात कीजिए: $\frac{\log \sqrt{27}+\log \sqrt{1000}+\log 8}{\log 120}$

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