Let’s look at some questions that involve sets with similar standard deviations such that it is hard to tell which will …

## 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 …

## 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 …

## 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, …

## 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 …

## Sequence

A sequence is really just a set of numbers. It may be infinite, it may be finite, but it’s this …

## Critical reasoning

Let’s look at a tricky and time consuming official Critical Reasoning question today. We will learn how to focus on …

## 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 …

## 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 …

## 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 …