Let’s discuss the concept of ‘product of the factors of a number’. From the two posts above, we know that the factors equidistant from the centre multiply to give the number.

### Must know Divisibility Rules

Here are 10 important divisibility rules you should know: 1) 1 1 may be the loneliest number but it’s also a very important number for divisibility! Every integer is divisible

### Comparing options

A lot of test takers complain about insufficient time. This is understandable as far as the Verbal section is concerned. We all have different reading speeds and that itself accounts

### Remainder Questions

Let’s consider both simple and complex applications of remainders. The most straightforward scenario is for the question to ask what the remainder is in a given context.Let’s start by looking

### 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 class I teach, a student will ask a question along

### Sets and Ratios

Let’s discuss Quant questions on two different topics of discussion – sets and ratios. Both questions are official and of higher difficulty. Question 1: Of the 1400 college teachers surveyed, 42%

### 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 helpful for writers, on the CAT, this instinct will often

### Simple calculation tricks

Much of the Quant section involves calculations, and as calculators are not allowed, we need to be able to add, subtract, multiply and divide numbers quickly and accurately. A surprising number

### Maths in Critical Reasoning

Consider the following official argument: In the United States, of the people who moved from one state to another when they retired, the percentage who retired to Florida has decreased

### Evenly spaced sets

An evenly spaced set, as the name implies, is one in which the gap between each successive element in the set is equal. So a set consisting of consecutive integers