Tutorials

In work life and personal life often we need to learn the basics on a subject. Base concepts on any subject form the foundation, but it is not easy to build it. Our focus here is on base concepts that can be used as a launch pad for further learning and subject specific problem solving.

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Basic maths: Basic concepts on maths. Other subjects will be added in due course.

How to solve SBI PO level reasoning and logic analysis problems on floors in a few confident steps 4

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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 puzzles and family relations problems, this powerful technique helps to solve complex reasoning class of floors problems with ease and efficiency as well...

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...

Basic and Rich Geometry Concepts Part 7, Laws of sines and cosines

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What if we need to relate the sides of a triangle with the angles? Except Pythagoras theorem there is little help in the area of establishing a relationship between the sides and the angles of a triangle. The laws of sines and the laws of cosines meet this important gap...

Basic and rich Trigonometry concepts part 2, proof of compound angle functions

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Trigonometry first established relationships between the angle and side measurements of a right angled triangle by defining trigonometric functions and thus extended the reach of mathematics wonderfully. Like any other branch of mathematics, from the basic trigonometric function definitions more advanced function relations are built stage by stage. Here we will deal with compound angle trigonometric function relations in more details...

Basic and Rich Geometry Concepts Part 5, Proof of Median relations

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Medians form one of the most important set of components in a triangle closely tied to the triangle independent of any other geometric shape. In this discussion we will explain what are medians and their relations with the sides of the triangle along with the proofs...

Basic and Rich Geometry Concepts part 4, Proof of arc angle subtending concept

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To explain the Arc angle subtending concept exhaustively and comprehensively, we will use four different configurations and the corresponding mechanisms along with solving a specially selected problem. To be exhaustive, we needed to follow a systematic method...

Basic concepts on problems on speed time distance, train running and boats in rivers

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Traveling at same speed we would need twice the time we took last time, if we have to cover twice the distance we traveled last time. This follows from our common sense. The relationship between speed, time and distance is one of the most basic physical laws that affects our real life experiences extensively. Trains run from station to station at various speeds; boats ply in the river but their actual speeds are reduced by the river stream speed if the boat moves upstream...the applications of the relationship between speed time and distance form an important part of Arithmetic...

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