Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
If $\log _{8} \mathrm{~m}+\log _{8} \frac{1}{6}=\frac{2}{3}$, then $\mathrm{m}$ is equal to
MathematicsSets and RelationsNDANDA 2015 (Phase 2)
Options:
  • A 24
  • B 18
  • C 12
  • D 4
Solution:
2863 Upvotes Verified Answer
The correct answer is: 24
$\log _{8} \mathrm{~m}+\log _{8} \frac{1}{6}=\frac{2}{3}$
$\Rightarrow \quad \log _{8}\left(\mathrm{~m}, \frac{1}{6}\right)=\frac{2}{3}$
$\Rightarrow(8)^{\frac{2}{3}}=\mathrm{m} \cdot \frac{1}{6}$
$\Rightarrow \mathrm{m}=24$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.