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Basic and rich concepts on Simple interest and Compound interest

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Simple interest for a year is the percentage rate of interest applied on the initial amount invested and it is fixed year to year. On the other hand, Compound interest is the percentage rate of interest applied on the amount available at the beginning of the year, and not at the beginning of the investment period...

How to solve SBI PO level reasoning and logic analysis problems on family relations in a few simple steps 3

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Assignment logic problems form an important class of logic analysis problems that are generally found to be difficult. Collapsed column logic analysis technique and framework removes this inherent difficulty with a structured, systematic and efficient approach. In addition to logic puzzle problems, this powerful technique helps to solve complex reasoning problems of Family relations type with ease and efficiency as well...

How to solve difficult SBI PO level reasoning puzzles in a few simple steps 2

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Assignment logic problems form an important class of logic analysis problems that are generally found to be difficult. Collapsed column logic analysis technique and framework removes this inherent difficulty with a structured, systematic and efficient approach...

How to solve difficult SBI PO level reasoning puzzles in a few simple steps 1

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We find that a number of relatively difficult logic analysis problems essentially belonging to the Assignment logic analysis class are used frequently in leading Competitive exams, Interviews and other tests. In a short series of sessions we will cover this important class of logic analysis problems...

How to solve difficult SSC CGL level School Math problems in a few quick steps, Trigonometry 5

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In procedural approach to solve Trigonometry or Algebra problems, usually the student has to go through many steps writing the steps using pen and paper without using the useful patterns lying partly hidden in the problem waiting to be used with intelligence so that the solution is reached in a few steps lightning fast, that too without using pen and paper. We are not discussing tricks. We are discussing the anatomy of a rich concept that are based on basic concepts and how a specific rich concept can be used for what we call, efficient problem solving.

Basic and Rich Geometry Concepts Part 6, Proof of triangle area from medians

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Medians are one of the most important set of elements related to a triangle. The symmetry associated with the medians give rise to a rich set of concepts and relations. In addition to a number of important area related concepts, we will discuss here how to find the area of a triangle from the given length of its medians...

How to solve intriguing SSC CGL level Geometry problem in a few steps 4

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Sometimes in the breakneck hurry while struggling with the questions in a cutting edge leading selection test you might meet a problem that doesn't seem right somehow. You figure out the only way to arrive at the solution but out of sheer curiosity you check back the solution value with the given values to verify the sanctity of the problem definition...

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