यदि $\log x = \frac{\log y}{2} = \frac{\log z}{5}$ है,तो $x^{4} \cdot y^{3} \cdot z^{-2} = $

  • A
    $2$
  • B
    $10$
  • C
    $1$
  • D
    $0$

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यदि $\frac{\log x}{a^{2}+a b+b^{2}}=\frac{\log y}{b^{2}+b c+c^{2}}=\frac{\log z}{c^{2}+c a+a^{2}}$,तो $x^{a-b} \cdot y^{b-c} \cdot z^{c-a}=$

यदि $3^{x-2}=5$ और $\log_{10} 2=0.30103, \log_{10} 3=0.4771$ है,तो $x=$

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