A shopkeeper purchased 200 bulbs for ₹10 each. 5 bulbs fused and were thrown away. Remaining sold at ₹12 each. Gain/loss %?

Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:

A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:

A shopkeeper buys an item for ₹100 and sells it for ₹120. What is his profit percentage?

The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25%…

A profit of 10% is made when a smartphone is sold at P rupees and there is 4% loss when the smartphone is sold at Q rupees. Then P : Q is