When an article sold at its marked price, it gives a profit of 25%. If a discount of 9.6% is allowed on the marked price, then the profit percent will be:

16.6 13 15.4 15

13

25% = \(\frac{1}{4}\)                       CP = 4 unit                      MP = 5 unit                      SP = 5 × \(\frac{90.4}{100}\) = 4.52 unit Profit percentage = \(\frac{(4.52 - 4)}{4}\) × 100                          = 13%