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Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Which of the following statements are correct with reference to ensuring minimum shrinkage of prestressed concrete? 1. The water-cement ratio and proportion of cement paste should be kept minimum to reduce shrinkage. 2. Aggregates of larger size, well graded for minimum void, need a smaller amount of cement paste, and attendant shrinkage will be smaller. 3. Harder and denser aggregates of low water absorptions and high modulus of elasticity will exhibit small shrinkage.
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%?
Consider the following statements: 1) Hydrophobic cement grains possess the low wetting ability 2) Rapid-hardening cement is useful in concreting under static, or running water 3) Quick-setting cement helps the concrete to attain high strength in the initial period 4) White cement is just a variety of ordinary cement-free of coloring oxides. Which of the above statements are correct?
A construction company purchases cement at the rate of Rs. 1,000 per tonne and stores it at Rs. 100 per tonne. It is perceived that in the coming month, the price of cement will rise by Rs. 2,000 per tonne. The company already has 500 tonnes of cement. If the cement usage during a month is 1,000 tonnes, how much cement should the company purchase this month to minimize its expense in the next one?
A three-star medicine is prepared by mixing two type of fluids (A & B) in ratio of 1 : 4. Fluid A is prepared by mixing two type of water, water M and water N in ratio of 4 : 5. Fluid B is prepared by mixing two type of water, water X and water N in ratio of 3 : 7. The final mixture is prepared by 675 units of three-star medicine with water Y. If the concentration of the water N in the final mixture is 60%, then how much water Y had been added to three-star medicine?
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.
Which of the following statements are true/false?
1. A minimum rate of wages for the time spent by employees for the production of output is minimum time rate.
2. Minimum piece rate is the rate based on the quantity of the output employees have produced.
3. The guaranteed time rate is a minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis.
4. A minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis is overtime rate.
In the following question, two statements are numbered as A and B. On solving these statements we get quantities A and B respectively. Solve for both quantities and choose the correct option. Quantity A: How much water must be added to 15 litres of milk-water mixture of ratio 4 ∶ 1, such that the ratio of milk and water in mixture becomes 3 ∶ 2? Quantity B: In what quantity of alcohol-water mixture of ratio 2 ∶ 1, should 2 litres of water be added, such that the ratio of alcohol-water in the final mixture is 1 ∶ 1?
Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.Select your answer based on the codes given below. Codes: