Question : In a medical transaction, 17 times the cost price is equal to 8 times the sum of the cost price and the selling price. What is the gain or loss percentage?

Option 1: Loss 15%

Option 2: Gain 17.5%

Option 3: Gain 12.5%

Option 4: Loss 30%

Question : If the cost price of 20 books is the same as the selling price of 25 books, then the loss percentage is:

Option 1: 20%

Option 2: 25%

Option 3: 22%

Option 4: 24%

Question : A dealer marks his goods at 20% above the cost price and allows a discount of 15% on the marked price. What is his gain or loss percentage?

Option 1: 4% gain

Option 2: 2% loss

Option 3: 2% gain

Option 4: 4% loss

Question : By selling a watch for INR 2,000, a shopkeeper loses 20%. How much would he gain or lose by selling it for INR 3,000?

Option 1: 20% gain

Option 2: 25% gain

Option 3: 15% loss

Option 4: 25% loss

Question : On selling 38 balls at INR 2,240, there is a loss equal to the cost price of 6 balls. The cost price of a ball is equal to:

Option 1: INR 80

Option 2: INR 70

Option 3: INR 60

Option 4: INR 50