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

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

Explore More

Similar Questions

$\frac{\log _{9} 11}{\log _{5} 13}-\frac{\log _{3} 11}{\log _{\sqrt{5}} 13}=$

यदि $\log _{10} 5 + \log _{10}(5x + 1) = \log _{10}(x + 5) + 1$ है,तो $x$ का मान ज्ञात कीजिए।

$\log _{10} \tan 40^{\circ} \cdot \log _{10} \tan 41^{\circ} \cdots \log _{10} \tan 50^{\circ} = ?$

$x>0$ के लिए,यदि $y=\frac{10^{\log _{10} x}}{x^{2}}$ और $x=y^{a}$ है,तो $a=$

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

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo