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### Mathematical Skills | Profit and Loss

 Q. No. 7: Mantu starts a month with provisions expected to last for the entire month. After few days, it is discovered that the provisions will, infact short by 12 days and it is calculated that if the stock of provisions left is immediately tripled, it will be possible to exactly make up for the shortfall. If the stock of provisions left is doubled instead of being tripled, and simultaneously the strength of the Mantu is decreased by 25%, then the provisions will fall short by A : 2 days B : 1 days C : 3 days D : 4 days Solution
 Q. No. 8: A shopkeeper sells three items P,Q and R and incurs a loss of 21%, 11% and 10% respectively. The overall loss percentage on selling P and Q items is 14.33% and that of Q and R items is 10.4%. Find the overall loss percentage on selling the three items? A : 15% B : 12.16% C : 13.4% D : 12.5% Solution
 Q. No. 9: After offering a discount of 37.5%, Pankaj sold the rice at a profit of 25%. Had he offered a discount of 41.67%, his profit or loss percent would have been A : 16.66% profit B : 12% loss C : 29.17% loss D : 8.33% profit Solution
 Q. No. 10: A textile manufacturing firm employees 50 looms. It makes fabrics for a branded company. The aggregate sales value of the output of the 50 looms is Rs 5,00,000 and the monthly manufacturing expenses is Rs 1,50,000. Assume that each loom contributes equally to the sales and manufacturing expenses are evenly spread over the number of looms. Monthly establishment charges are Rs 75000. If one loom breaks down and remains idle for one month, the decrease in profit is : A : Rs 13,000 B : Rs 10,000 C : Rs 7,000 D : Rs 5,500 Solution
 Q. No. 11: A Techno company has 14 machines of equal efficiency in its factory. The annual manufacturing costs are Rs 42,000 and establishment charges are Rs 12,000. The annual output of the company is Rs 70,000. The annual output and manufacturing costs are directly proportional to the number of machines. The shareholders get 12.5% profit, which is directly proportional to the annual output of the company. If 7.14% machines remain closed throughout the year, then the percentage decrease in the amount of profit of the shareholders would be : A : 12% B : 12.5% C : 13% D : None of these Solution
 Q. No. 12: A small and medium enterprises imports two components A and B from Taiwan and China respectively and assembles them with other components to form a toy. Component A contributes to 10% of production cost. Component B contributes to 20% of the production cost. Usually, the company sells this toy at 20% above the production cost. Due to increase in the raw material and labour cost in both the countries, Component A became 20% costlier and component B became 40% costlier. Owing to these reasons the company increased its selling price by 15%. Considering that cost of other components does not change, what will be the profit percentage, if the toy is sold at the new price ? A : 15.5% B : 25.5% C : 35.5% D : 40% Solution
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