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Alligations: Arithmetic, Quantitative Reasoning Video Lecture | CSAT Preparation - UPSC

194 videos|156 docs|192 tests

Timeline

00:12 Weighted Average Method
01:01 Alligations Method
02:03 Question 1
02:10 Rules for Alligations Method

FAQs on Alligations: Arithmetic, Quantitative Reasoning Video Lecture - CSAT Preparation - UPSC

1. What is the concept of allegations in arithmetic?
Ans. Allegations in arithmetic involve the use of a weighted average to find the ratio in which two or more components with different quantities are mixed to obtain a desired quantity of a mixture. It is commonly used in solving problems related to mixtures, solutions, and alloys.
2. How does the allegation method work in quantitative reasoning?
Ans. The allegation method in quantitative reasoning helps in finding the ratio in which two or more components are mixed to form a given quantity of a mixture. It uses the concept of weighted averages, where the weights represent the quantities of each component. By setting up a proportion based on the known quantities and using the rule of cross-multiplication, the ratio of the components can be determined.
3. Can the allegation method be used to solve problems other than mixtures and solutions?
Ans. Yes, the allegation method can be applied to solve various types of problems. Apart from mixtures and solutions, it can be used to solve problems related to alloys, composite materials, and even financial calculations involving different interest rates or investment returns. The key is to identify the components or factors involved and apply the weighted average concept accordingly.
4. Are there any limitations or constraints when using the allegation method?
Ans. While the allegation method is a powerful tool in problem-solving, it has a few limitations. It assumes that the components being mixed are homogeneous and that there is a linear relationship between the quantities and their effects on the mixture. Additionally, it may not be applicable in situations where there are complex interactions or reactions between the components. It is essential to understand the context and suitability of the allegation method for each problem.
5. How can I practice and improve my skills in solving allegations problems?
Ans. To enhance your proficiency in solving allegations problems, it is recommended to practice various types of mixture and solution problems. These can be found in arithmetic textbooks, online resources, or through specialized problem-solving books. Additionally, you can explore online platforms or mobile applications that offer interactive quizzes and exercises specifically designed for practicing allegations. Regular practice and understanding the underlying concepts will gradually improve your skills in solving such problems.
194 videos|156 docs|192 tests

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