 ## 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 … ## 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 … ## 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. … ## CAT syllabus and Other MBA Entance Exams Syllabus

CAT Syllabus – Verbal Ability: We are often surprised to see that students tend to confuse MBA entrance syllabus with CAT syllabus. There are many MBA entrance exams in India. Some of the prominent ones are: CAT, NMAT, IIFT, XAT, SNAP, TISS, CMAT and MHCET. Each exam has its own pattern and to some extent … ## 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, … ## 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 … ## CAT Logical Reasoning Syllabus and Preparation Tips

The Logical Reasoning and Data Interpretation (LRDI) section of CAT has undergone a significant change over the last few years. In the past CAT papers, the LRDI section had an equal number of questions from  LR and DI. But in the past few years, logical based DI sets have replaced the calculation intensive DI sets. … ## 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 … ## Mixture and alligation Advance Concepts

Rule of Constant Example 4: How many litres of pure water should be added to 40 litres of 30% milk solution so that the resultant mixture is a 15% milk solution? We can have three different methods to solve the above problems including the rule of alligation. Let us take all of them to strengthen …

## 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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