pipes and cisterns concepts for CAT

Pipes and Cisterns Formulas Concepts and Questions for CAT Exam

Pipes and Cisterns basic concepts We employ the same basic concepts of ‘Time and Work’ to solve questions based on pipes and cisterns. However, in some instances in addition to inlet pipes, the question also mentions outlet pipes. A pipe connected to the cistern is called an inlet pipe or an outlet pipe, accordingly as it …

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binomial theorem

Application of Binomial Theorem for Finding Integral Solutions

Binomial Theorem The formula by which any positive integral power of a binomial expression can be expanded in the form of a series is known as Binomial Theorem. (x + y)n = nC0 xn + nC1 xn-1 y + nC2 xn-2 y2+ ……………..+ nCn yn e.g:  (a+b)3= 3C0a3 + 3C1a2b+3C2ab2 + 3C3b3 = a3 + 3a2b + 3ab2 +b3 Note The number of terms in the expansion of (x+ y)n is (n + 1) e. one …

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How to prepare for CAT verbal ability section VARC

How to prepare for CAT verbal ability section (VARC)

CAT Verbal Ability Preparation While discussing CAT  Verbal Ability, we mean CAT Verbal Ability and Reading Comprehension (VARC). To represent both,we will use the term CAT Verbal Ability. But how is CAT verbal ability different from CAT reading comprehension? The CAT exam has not defined CAT syllabus. There is no prescribed Verbal Ability (VARC) Syllabus. …

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stars and bars permutation and combination

Stars and Bars Method : Permutations and Combinations

Stars and Bars Method is also known as partition rule-based Permutation and Combination problems require a specific formula to get the answers. Various questions based on this concept have appeared in competitive exams Like CAT and other management entrance. In this video, we will learn that formula conceptually so that any variation in the questions, …

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mensuration formulas

Mensuration Formulas for CAT SSC CGL and Other Exams

Mensuration formulas based questions regularly feature in CAT, SSC CGL and other exams. Being a part of geometry, this topic demands that the aspirant be familiar not only with the different formulas of mensuration but also with the other theorems and concepts of geometry.  However, the questions from mensuration are less difficult that other types of …

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work equivalent concept

Work Equivalent Concept

Work Equivalent Concept is a based on the universal concept of measuring work in two parameters; Agent who is doing work and the duration the work takes to get completed. Let us understand with the help of an example. Suppose the time taken to complete a task by 4 men all of the equal efficiency …

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Mixture and Alligation Concepts | Tricks | Formulas for CAT Exam

Table of Content Concepts and Formulas Tricks Rule of Constant Mixing with replacement Two different Mixture Practice Problems Questions from Mixtures and Alligation topic have increased in recent CAT exam. Usually, we apply the concepts and formulas of weighted average, percentages and ratios to solve such questions. A shortcut tricks of the criss-cross method is …

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