Averages Concepts from Arithmetic – How to apply in CAT Questions?

May 31st, 2018 by

Average is mainly defined as the sum of observations divided by the number of observations. Keeping in view the Quantitative Aptitude section of any competitive exam and especially CAT, 1-2 questions are asked from this chapter. It is not a difficulty chapter if you know the tricks to solve the question in very less time. Averages Concepts and Properties: Average= (Sum of observations)/(Number of observations) Important Points: In past year Cat questions, a number of times concepts of age/height/weight and average has been mixed together. Here are some important points to remember


Games and Tournaments for CAT Exam Logical Reasoning – Part 3

May 30th, 2018 by

In this post, we will discuss all the concepts we will require while solving questions related to games and tournaments. This topic can sometimes involve some basic understanding of the games mentioned in the puzzle. One should know some common terminologies used by the examiners in the questions. Games and tournaments is generally a data interpretation topic and we need to analyze the data given before attempting any questions, which could make it a little time consuming if we are not familiar with the concepts. Broadly, we have two types of game structures that are used in making the puz


Games and Tournaments for CAT Exam Logical Reasoning – Part 2

May 29th, 2018 by

In my previous post on games and tournaments, we discussed about two of the popular types of questions when it comes to games and tournament questions. So, if you are looking for questions on new types of data representation or questions based on seeding in a tennis tournament, probably you should read that. However, there is another popular type of questions with respect to Games and Tournaments and that is – Football / Hockey tournament questions in which we have to find out Goals scores, winners, ties, etc. In such tournaments, all competitors play a fixed number of matches. Points


Games and Tournaments for CAT Exam Logical Reasoning – Part 1

May 28th, 2018 by

In Logical Reasoning very often we encounter problems based on games of tournaments. The first thing that as a CAT taker you need to realize is that such tournament based format offers the examiner a multitude of options. So, there cannot be a set formula for solving such kind of questions. However, if you look at the CAT papers of past few years – a pattern seems to emerge. Let us discuss couple of them. Type 1: The questions are typically in a set where the data will be either in the standard tabular format or a format which you would never find on Cricinfo or for that matter any ot


Divisibility Rules for CAT Quantitative Aptitude Preparation

May 26th, 2018 by

The concept of ‘divide and conquer’, derived from the Latin phrase ‘Divide et impera’, was put into use effectively by everyone from Caesar to Napoleon to The British in India. Even Gaddafi tried using the same but as current events show us – he wasn’t very effective. Dividing rather divisibility rules to be specific can come in really handy at times in solving problems based on Number Systems. The standard rules which nearly all of us are very comfortable with are the ones for 2n and 5n. For these all that one needs to do is look at the last ‘n’ digits of the number. If


Difference between Assumptions and Inferences in Verbal Reasoning for CAT Exam

May 25th, 2018 by

The most important part of CAT Verbal reasoning are questions based on assumptions and inferences. If you think you would rather skip this tricky topic- Well, you shouldn’t. Why? Because once you learn to tackle these well, they can prove to be the most scoring and time-saving questions of CAT. The purpose of such questions is to evaluate your reasoning skills. And you can definitely develop these. How? Just concept clarity and lots of practice! Students are often confused between assumptions and inferences. While it may not matter in case of easy questions but you need to know the differ


Factorial Concepts for CAT – Rightmost digit, Ending Zeroes, Power of a Prime

May 24th, 2018 by

We all know what factorials (n!) are. They look friendly and helpful but looks can be deceiving, as many quant problems have taught us. Probably it is because that Factorials are simple looking creatures, most students prefer attempting questions based on them rather than on Permutation & Combination or Probability. I will cover P&C and Probability at a later date but in today’s post I would like to discuss some fundas related to factorials, which as a matter of fact form the basis of a large number of P&C and Probability problems.   Some of the factorials that mig


Tips and Tricks to Solve Para-Jumble Questions for CAT Exam

May 23rd, 2018 by

Most of us are lured to attempt Para jumble/sentence completion questions in CAT/Mock CAT. In these type of questions, we eventually, come to down to 2 confusing choices. And the sad story is, most of the time we select the wrong option.But, the irony is it’s hard to leave these type of questions as with added logic these questions can be very scoring and consume less time as compared to an RC. So let me try to spread some gyaan that might be able to help you out in these situations. First ,try to find the purpose behind the para: When the purpose is to explain something – the


Clocks – Concepts and Questions with Solutions for CAT Exam

May 22nd, 2018 by

Questions on clocks (or even calendars) are not really frequent in CAT these days. They used to be really popular few years ago. Having said that, it is always better to understand some of the basic principles and the types of problems that get asked. They might come in handy in case of other exams like CMAT, MAT, SNAP, etc.   Clock problems can be broadly classified in two categories: a)      Problems on angles b)      Problems on incorrect clocks   Problems on angles Before we actually start solving problems on angles, we need to get couple of bas


Remainders (Quantitative Aptitude) for CAT Exam Preparation – Free PDF for Download

May 21st, 2018 by

Remainders, as a topic, confuses a lot of students. As a matter of fact, a large percentage of CAT quantitative Aptitude questions and doubts on any public forum (Pagalguy / Quora / Facebook) will be dealing with remainders. This is true for the Course Feed of my online CAT coaching course as well. So, I decided to combine all the various kinds of Remainder related questions and make a single post about it. I hope that if you go through the 50+ questions given in this post, you will never struggle with remainders again. In case you have any doubts with any of the questions, use the commen