Let’s start by asking a question: How do we write the equation of a line? There are two formulas: y = …

## Quicker way to use slopes

The concept of slope is extremely important on the CAT – it is not sufficient to just know how to …

## Maximum distances in 3D objects

How do we find the the two farthest points on a 3D object? For example, we know that on a circle, …

## Solving sums involving infinite figures

Sometimes, we come across CAT geometry questions that involve figures inscribed inside other figures. One shape inside of another shape may …

## BASICS TO SSS, SAS, ASA, AAS RULES:

Two triangles are congruent if they have: Exactly the same three side and Exactly the same three angles. But we …

## Dealing with Exponents

If you’re like many examinees, you’ve found yourself in this familiar situation. You KNOW the rules for exponents. You know …

## Logical Puzzle Problems

Let’s look at the popular “pouring water puzzle”. Here is the puzzle: You have a 3- and a 5-liter water …

## Mean or Median

Hypothetically speaking, given a choice between a question on median and one on mean, which would you choose? (Not that …

## A must know right angled triangle property

Property: The circumcenter of a right triangle is the mid point of the hypotenuse. Let’s prove this first and then …

## How to solve “at least” probability problems in the least amount of time

Fortunately, and contrary to popular belief, the CAT isn’t “pure evil.” Wherever it provides opportunities for less-savvy examinees to waste …