Profit and Loss (Data Interpretation)
A shopkeeper sells four products namely P, Q, R and S at different prices. The cost price of one unit of a product P is Rs. 90 less than the cost price of one unit of a product Q. The shopkeeper sells one unit of a product Q at Rs 310 and earns 175/6% profit. The average cost price of one unit of each of the four products is Rs 402.5. The shopkeeper gives a discount on product S which is equal to 10% of its selling price and still makes a profit of Rs. 100 on sale of one unit. The cost price of one unit of product R is Rs 520. The shopkeeper sells 10 units of product R at a discount of 4% and earns a total profit of Rs. 1040. The sum of marked price of one unit each of all the four products is Rs. 2167.5. The shopkeeper sells one unit of product P at a discount of 30% for Rs 25 more than its cost price.
1) A shopkeeper sells 4 units, 5 units, 2 units and 10 units of product P, Q, R and S respectively to a consumer. How much percent does the shopkeeper earn from that consumer?
2) What is the ratio of the sum of selling prices of 10 units of product P, 12 units of product Q and 15 units of product S to the marked price of 10 units of product P, 12 units of product Q and 15 units of product S?
3) Due to the less sale of product Q, the shopkeeper increases the discount rate of product Q to 25% and sells 46 items of it. What is the percentage decrease in the profit of shopkeeper with respect to the profit on selling 46 items of product Q on original discount?