જો $\log _{2} x+\log _{4} x+\log _{16} x=21 / 4$ હોય,તો $x=$

  • A
    $8$
  • B
    $4$
  • C
    $2$
  • D
    $16$

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જો $\log 2 = 0.3010$ અને $\log 3 = 0.4771$ હોય,તો $\log _{5} 512$ ની કિંમત શોધો.

જો $\log _{10} 2 = 0.3010$ અને $\log _{10} 7 = 0.8451$ હોય,તો $\log _{10} 2.8$ ની કિંમત શોધો.

$x^{\log y - \log z} \cdot y^{\log z - \log x} \cdot z^{\log x - \log y} = ?$

જો $\log _{10} 7 = a$ હોય,તો $\log _{10} \left( \frac{1}{70} \right)$ ની કિંમત કેટલી થાય?

જો $\frac{\log _{2} x}{3}=\frac{\log _{2} y}{4}=\frac{\log _{2} z}{5 k}$ અને $\frac{z}{x^{3} y^{4}}=1$ હોય,તો $k=$

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