The marked price of an article is 20 percent more than its cost price. What maximum discount percentage can be offered by the shopkeeper to sell his article so that there is no loss ?

16.66 percent 12.56 percent 15.33 percent 13.33 percent

16.66 percent

CP                MP 100             120 = 20 (difference) Maximum discount he can offer is = 20 = 20 × \(\frac{100}{120}\) = 16.66 %