यदि $\log x : 3 = \log y : 4 = \log z : 5$ है,तो $zx =$

  • A
    $2y$
  • B
    $y^2$
  • C
    $8y$
  • D
    $4y$

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Similar Questions

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

यदि $0 < a \leq x$ है,तो $\log_{a} x + \log_{x} a$ का न्यूनतम मान क्या है?

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 $x^{a-b} \cdot y^{b-c} \cdot z^{c-a}=$

$7 \log \frac{16}{15} + 5 \log \frac{25}{24} + 3 \log \frac{81}{80} =$

यदि $\log _{10} 2 = 0.3010$ और $\log _{10} 7 = 0.8451$ है,तो $\log _{10} 2.8$ का मान ज्ञात कीजिए।

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