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A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?
A mixture comprising of 50% concrete, 30% cement and 20% sand was made. More cement was added in 60 kg of mixture in order to obtain a new mixture with 5/12 part of cement. The sand present in new mixture is what part of the new mixture?
A shopkeeper earns a profit of 15% if he mixes 85 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46 per kg. He can increase his profit to 25% if he mixes 65 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46.5 per kg. At what price should he sell a mixture of 30 kg A-type cement and 50 kg B-type cement to earn a profit of 75%?
In a mixture of ghee and dalda, the ratio of ghee to dalda is 5 : a. When 5 litres of ghee were added in the mixture then, the concentration of dalda becomes 50% but when 2 litres of dalda were added in the mixture then the concentration of ghee becomes 40%.  Quantity I : ghee will be what part of the mixture when, 10 litres of ghee were added in the original mixture? Quantity II : Dalda will be what part of the mixture when 3 litres of dalda were added in the original mixture?
Given below are two quantities named A and B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity A: The ratio of the volumes of the quantities of milk and water in a mixture is 4 : 1. If 5 liters of water is further added to it, the new ratio becomes 3 : 2. Find the quantity of water in new mixture. Quantity B: In a mixture of 35 litres, the ratio of acid and water is 3 : 4. How much water should be added to the mixture to make the ratio 3 :5. Find the quantity of water is a new mixture.
When 20 liters of water is added to a mixture of milk and water, the new mixture contains 50 percent of milk. When 25 liters of milk is added to the new mixture, then the resulting mixture contains 60 percent milk. What is the quantity of the initial mixture?
Jar A comprises a mixture of milk and water in the ratio of 3 : 2 respectively. Another mixture of milk and water is added to jar A and the ratio of milk and water in the resultant mixture changes. What was the initial quantity of mixture present in Jar A? I. The ratio of milk and water in the mixture that was added to Jar A was 2 : 1 respectively. II. The ratio of the new quantities of milk and water in Jar A was 8 : 5 respectively. The quantity of water in the mixture added to jar A was 6 litre.
oil and kerosene are present in ratio of 5 : 7 in a liquid. Few litres of mixture of mixture are replaced with petrol. Ratio of oil : kerosene: petrol is 35 : 49 : 18 respectively. Amount of oil removed from mixture is 21 litres less than that of petrol added to the mixture. And amount of oil removed is 6 litres less than that of difference mentioned. Petrol is replacing the mixture removed hence; quantity of mixture is not changing. What is the difference between quantity of kerosene in old mixture and amount of oil in new mixture?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Concrete is the most widely used material in existence and is only behind water as the planet's most-consumed resource. B: Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. C: Cement is seldom used on its own, but rather to bind sand and gravel (aggregate) together.  D: A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together.
The following question has three statements. Study the question and the statements and decide which of the statement(s) is necessary to answer the question. 6 litres of mixture A and 4 litres of mixture B are mixed to form a new mixture C. Find the amount of water in the new mixture. I) The new mixture had alcohol and water in the ratio 7 ∶ 5. II) Mixture A had alcohol and water in the ratio 5 ∶ 4. III) Mixture B had alcohol and water in the ratio 5 ∶ 3.