यदि $\log 2 = 0.30103$ और $\log 3 = 0.4771$ है,तो $(648)^{5}$ में अंकों की संख्या क्या है?

  • A
    $12$
  • B
    $13$
  • C
    $14$
  • D
    $15$

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यदि $\log _{2} x+\log _{4} x+\log _{16} x=21 / 4$ है,तो $x=$

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यदि $\frac{\log x}{l+m-2n} = \frac{\log y}{m+n-2l} = \frac{\log z}{n+l-2m}$ है,तो $x^2 y^2 z^2$ का मान ज्ञात कीजिए।

$\log _{2} 16$ का मान है

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