Mixtures and Alligation Concepts for CAT Exam Preparation

May 29th, 2020 by

The questions on Mixtures and Alligations are asked repeatedly in CAT and keeping the past year trends in mind, one or two questions are asked every year. We have seen the concept used in some of the Data Interpretation questions as well, so this cannot be overlooked.  Let us begin with the subject matter on this topic. When we have to find the average of a given set of values, we just add those values and divide by the number of values in consideration.  But what do we do when we have to find the average of 2 given sets of values, each containing different number of elements? We use

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Sequence and Series Problems and Concepts for CAT Exam Preparation

May 28th, 2020 by

Sequence and Series topic of Quantitative Aptitude is one the most engaging and intriguing concept in CAT. Since childhood, we love solving puzzles based on sequence and series. Sequence and series are closely related concepts and possess immense importance. We all have heard about the famous Fibonacci Sequence, also known as Nature’s code. This sequence can be used to model or describe various phenomena in the field of biology, mathematics, nature, art etc. The sequence is 0, 1, 1, 2, 3, 5, 8, 13... so on. As we can see, the next no. in the sequence is the addition of previous two numbe

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How to find Rank of a Word in Dictionary (With Repetition and Without Repetition)

May 27th, 2020 by

A very common type of question that gets asked in various banking and management entrance exams is based upon the concept of finding out the rank of a word. In this post, I will like to discuss the concept behind the same. Let us look at the two types. Rank of a word - without repetition of letters Suppose that you are given a word in which none of the letters are repeated and you asked to find out the rank of the word in a dictionary. For example, if the word which was given to you was CAT, it will be very easy to find out its rank. You will write down all possible combinations of

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Permutation and Combination – Fundamental Principle of Counting

May 26th, 2020 by

For this series of articles, I am assuming CAT 2020 would be the first time you would be attempting CAT, which essentially implies that you are not well versed with the basic ideas behind the Quantitative Aptitude portion. In the latter half of the year, I would move to slightly more advanced topics as by then, you would also have moved to the advanced stage of preparation. Best Online Coaching for CAT 2020 I have often seen students struggle with the topic – ‘Permutation & Combination’. As a matter of fact, I have even seen some faculties shy away from conducting those cl

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3 Steps to Improve Your Accuracy in Reading Comprehension for CAT

May 25th, 2020 by

Importance of Reading Comprehension for CAT Reading Comprehension has always been an important part of the CAT exam. It is not something that you can ignore if you are planning to do well in CAT. As a matter of fact, I recommend my online CAT 2020 course students to dedicate at least 1 full day every week to practicing passages for Reading Comprehension. Background information about Reading Comprehension for CAT I analyzed the past year CAT papers and this is what I found • The passages are mostly from esoteric books. • There are also passages from global magazines / newspaper

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Logical Reasoning Basics – Binary Logic – Liar, Truth Teller, and Alternator

May 24th, 2020 by

In a series of posts, we are going to cover the basics of some DI/LR topics. The first topic of discussion is Binary Logic. In a binary logic problem, we have people who either speak a true statement or a false statement. These people are divided into three categories: Truth-teller: This person will always speak the truth. All the statements made by this person are true. Liar: This person will always tell a lie. All statements made by this person are false. Alternator: This person always alternates between the truth and the lie. If first statement of this person is true, then se

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How to Effectively Tackle Reading Comprehension Specific Questions

May 23rd, 2020 by

Reading Comprehension (RC) passages have been a constant and important feature of the CAT’s Verbal Ability (VA) section since the exam’s inception. Since, 2015, their importance have been further enhanced as the CAT has added more questions containing this question type in the VA section. Currently, fully 24 questions (out of 34 in the Verbal Ability section) are RC questions. This means approximately 70% of the Verbal Ability section consists of RC questions. Since these questions are typical Multiple Choice questions, (with negative marks for wrong attempts) and the number of ques

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Bar Graphs – Questions and Concepts for CAT Preparation

May 22nd, 2020 by

Data Interpretation section of CAT revolves around decoding the structured data and deriving meaningful results from the given data. Its significance cannot be undermined in today’s world as strategies are planned and implemented on the basis of inferences and results determined through this vast amount of data. Thus, this topic holds an inevitable place in CAT exam and around 16 questions are asked from it. The data can be represented in form of lines, graphs or charts, tables, and caselets etc. And, in this blog, we will be talking about one special kind of graph known as bar graphs. B

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Permutation and Combination – Distribution of Objects

May 21st, 2020 by

As an astute man Mr. Gump once said, “Life is like a box of chocolates. You never know what you going to get.” The Permutations and Combinations that life presents us daily is baffling and probably it is because of that inherent fear of choices and cases we get intimidated by such questions in the exam. I understand that Permutation and Combination is one of the dreaded topics but I hope that once you understand the fundas given below, your fear will reduce. Permutation and Combination Funda 1: De-arrangement If ‘n’ distinct items are arranged in a row, then the number of way

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Problems on Ages with complete solutions, answers, and tricks to solve

May 19th, 2020 by

Algebra is a very powerful branch of Mathematics. It provides solution to real-world problems. It helps in transforming word problems into mathematical expressions in form of equations using variables to denote unknown quantities or parameters and thus, providing numerous of techniques to solve these mathematical equations and hence, determining the answer to the problem. Representation of problem it the key step of finding the solution because, until we have carefully described the actual problem into mathematical statements and have correctly form the relationship between the variables and

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