### A new way to use slope

The concept of slope is extremely important on theCAT – it is not sufficient to just know how to calculate it using (y2 – y1)/(x2 – x1). In simple terms,

### How to avoid traps on Data Sufficiency

Most test-takers like to go on auto-pilot when they can, relying on simple rules and heuristics rather than proving things to themselves –” if I have the slope of a

### Probability questions using Diagrams

Today, let’s take a look at a question involving visual skills. It takes a moment to understand the given diagram, but at close inspection, we’ll find that this question is

### Solving Standard Deviations sums without the formula

Let’s talk standard deviation. Your first thought is to start assembling a list of increasingly frantic questions: Do we need to know that horrible formula I learned in Stats class? (No.) Do we need

### Sequence

A sequence is really just a set of numbers. It may be infinite, it may be finite, but it’s this very open-endedness, this dizzying level of fuzzy abstraction, that can

### Critical reasoning

Let’s look at a tricky and time consuming official Critical Reasoning question today. We will learn how to focus on the important aspects of the question and quickly evaluate our answer choices: Tiger

### Mistakes in percent increase questions

Many test takers make mistakes in percent increase quantitative CAT questions, not because they do not understand the principle of percent increase, but rather, because they don’t evaluate the correct

### Dealing with rate/work questions

To review, the key for dealing with rate/work type of question is to apply the following rules: Rate * Time = Work Rates are additive in work questions. Rate and

### Verbal high frequency 150 questions for CAT

CAT Verbal150 frequently repeated questions Download here – right click> 01 Reading Comprehension RC pdf 02 Paragraphs PC PJ Summary pdf 03 Critical Reasoning Grammar pdf 04 Vocab based CAT

### Square and Square roots

While preparing for the CAT, you have probably come across a discussion that says x^2 = 4 has two roots, 2 and -2, while √4 has only one value, 2. Now,