Question : The selling price of 28 items is equal to the cost price of 17 items. What is the percentage of profit or loss?

Option 1: $39 \frac{2}{7} \%$ loss

Option 2: $39 \frac{2}{7} \%$ profit

Option 3: $33 \frac{2}{7} \%$ profit

Option 4: $33 \frac{2}{7} \%$ loss

Question : If the cost of 20 books is equal to the selling price of 18 books, then the gain percentage is:

Option 1: $11 \frac{1}{9}$%

Option 2: $11 \frac{1}{3}$%

Option 3: $11 \frac{2}{9}$%

Option 4: $10 \frac{1}{9}$%

Question : The marked price of an article is 40% above its cost price. If its selling price is $73 \frac{1}{2} \%$ of the marked price, then the percentage profit is:

Option 1: 2.9%

Option 2: 2.7%

Option 3: 2.6%

Option 4: 2.5%

Question : A store sells a watch for a profit of 25% of its cost price. Then, the percentage of profit against the selling price is:

Option 1: 22%

Option 2: 20%

Option 3: 18%

Option 4: 15%

Question : The initial profit percentage on the sale of an item was 55%. If the item's cost price went up by 24%, but the selling price remained the same, what would be the new profit percentage?

Option 1: 36%

Option 2: 25%

Option 3: 28%

Option 4: 33%