List of top Mathematics Questions on Algebra

$\lim_{x \to 0} \frac{|x|}{|x| + x^2} =$}

$\lim_{x \to 0} \frac{|x|}{|x| + x^2} =$}

6 years ago, (alpha) was three times (beta). 8 years from now, (beta) is one-third of (gamma). If present age of (gamma) is (s), find present age of (alpha).

In a company hierarchy: begin{itemize
• 1 CEO at the top
• Below him are 2 senior managers
• Below them are some normal workers If the total number of people excluding the CEO is 14, and the lowest level has 8 workers, what fraction of the total workforce are normal workers?}

If $\sum_{r=1}^{50} \tan^{-1}\frac{1}{2r^{2 = p}}$ then $\tan p$ is