List of top Mathematics Questions on Exponential and Logarithmic Functions asked in WBJEE

If $\log _{e}\left(x^{2}-16\right) \leq \log _{e}(4 x-11)$, then
The area (in sq. units) bounded by the parabola y = 2 – x2 and the line x + y = 0 is
The sum of n terms of two AP's are in the ratio of (3n+8):(7n+15). Find the ratio of their 12th  terms.