0 votes 0 votes If $x$ and $y$ are positive real numbers such that $\log _{x}\left(x^{2}+12\right)=4$ and $3 \log _{y} x=1$, then $x+y$ equals $11$ $20$ $10$ $68$ Others cat2023-set1 quantitative-aptitude + – admin asked Mar 30 • edited Mar 30 by makhdoom ghaya admin 4.5k points 39 views answer comment Share See all 0 reply Please log in or register to add a comment.