Here are 10 important divisibility rules you should know: 1) 1 1 may be the loneliest number but it’s also …

## Comparing options

A lot of test takers complain about insufficient time. This is understandable as far as the Verbal section is concerned. …

## Remainder Questions

Let’s consider both simple and complex applications of remainders. The most straightforward scenario is for the question to ask what …

## Think like Einstein to solve Data Sufficiency

On the CAT we’ll want to reason more like Einstein, particularly when it comes to Data Sufficiency. In almost every …

## Sets and Ratios

Let’s discuss Quant questions on two different topics of discussion – sets and ratios. Both questions are official and of …

## Why not to rely on your instinct in sentence correction

The first problem with using your ear alone is that while a good instinct for syntax and grammar is immensely …

## Simple calculation tricks

Much of the Quant section involves calculations, and as calculators are not allowed, we need to be able to add, subtract, …

## Maths in Critical Reasoning

Consider the following official argument: In the United States, of the people who moved from one state to another when …

## Evenly spaced sets

An evenly spaced set, as the name implies, is one in which the gap between each successive element in the …

## Average properties

Say, you have the following set of consecutive integers: 2, 3, 4, 5, 6, 7, 8 What is the average of …