By selling an article for Rs.33,000 a man gains 10%. To get a profit of 20%, he has to sell it for:

Rs.30,000 Rs.35,000 Rs.36,000 Rs.36,600

Rs.36,000

10% =  \(\frac{1}{10}\)  \(\frac{SP}{CP}\) = \(\frac{11}{10}\) At 20 % profit , \(\frac{SP}{CP}\) = \(\frac{12}{10}\) If, 11x = 33,000  Then, 12x = Rs.36,000