In a salt processing industry, the first purified salt can contain 20% dust or sand particles. After double purification, it contains 4% dust or sand particles. How much of double purified salt can be extracted from 30 kgs of single purified salt?
Question
In a salt processing industry, the first purified salt can contain 20% dust or sand particles. After double purification, it contains 4% dust or sand particles. How much of double purified salt can be extracted from 30 kgs of single purified salt?
On double purifying impurity decreases from 20% to 4%., but the amount of salt in both cases remains constant,
i.e, 96% of double purified salt = 80% of single purified salt.
Let x be the quantity of double purified salt
Then 96*x/100 = 80*30/100, x = 30*80 /96 = 25
In a meat market, Shark meat of 700 kg contains water and meat in the ratio of 1:4. How much water must be added to the shark meat mixture so that the ratio of water and meat becomes 3:8?
A rice mill owner mixed 60 kg of rice worth Rs. 30 per kg and 40 kg of rice worth Rs. 35 per kg. He mixes the two and sells the mixture at Rs. 40 per kg. What is the percentage profit in this deal?
50% and 25% of two bottles contain juice. To dilute the juice water is added for the remaining percentage and the total mixture is emptied into a jug. Find the ratio of the Juice and water in the jug?
Saroj has a solution that contains 40% saltwater. A part of the solution gets replaced by another solution which contains 20% saltwater, then the salt percentage becomes 28% after the mixing. What quantity of the solution is replaced?
A mixture of Vodka and Soda in the ratio of 6:3 and another mixture of Vodka and Water in the ratio of 8:6. The equal quantity of both mixtures is poured into a Jar. What will be the quantity of Water per liter in the jar?
In a marriage, a 30-liter milkshake mixture of juice and milk contains 5% milk. How much milk must be added to make 10% milk in the mixture?
In a particular brand of cocktail, there are 14 parts of alcohol and 100 parts of fruit juice. What is the percentage of alcohol in the drink?
20 kg mixture of rice contains 30% husk and 70% rice grains. If 5 kgs of rice are added to the mixture, what will be the percentage of husk in the new mixture?
In an unnamed petrol bunk, kerosene is mixed with petrol. In what ratio kerosene must be mixed with petrol costing Rs. 48 per liter to get a mixture worth Rs. 32 per liter?
In a rice mill, an owner mixes 60 kg of rice worth Rs. 30 per kg with 90 kg of rice worth Rs. 40 per kg. At what rate he must sell the mixture to gain 20%?
Aptitude