A person gives 25% discount and still gains 20%. How much percent above the M.P is on the C.P.

$\begin{array}{l}LetCP=100\\ MP=100+x\\ 25\%disocunt\\ SP=(100+x)\times \frac{75}{100}\\ getting20\% profit means\\ (100+x)\frac{75}{100}=120\\ x=60\\ MP=100+60=160\\ CP=100, MP=160\\ 160-100=60\\ \frac{60}{100}\times 100\%=60\%\end{array}$