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# Quant: Number Systems on GMAT

Here is a set of free short videos for stepwise preparation of Number Systems on GMAT. For a more detailed treatment of the topic, you may want to opt for our GMAT online course or our GMAT test series of 15 mock tests.

Classification of Numbers

### Classification of Numbers

Some Exceptions on Integers

### Some Exceptions on Integers

Even and Odd Integers

### Even and Odd Integers

Finding Units Digit of a Huge Multiplication

### Finding Units Digit of a Huge Multiplication

Finding Last Digit of a Large Exponent

### Finding Last Digit of a Large Exponent

Finding the Number of Factors

### Finding the Number of Factors

Finding the Highest Power in a Factorial

### Finding the Highest Power in a Factorial

Terminating Fractions

### Terminating Fractions

How to Find Remainder for a Huge Product

### How to Find Remainder for a Huge Product

Finding Remainder for a Large Exponent

### Finding Remainder for a Large Exponent

The Most Favorite Remainder Question Type on GMAT

### The Most Favorite Remainder Question Type on GMAT

An Important Surds and Indices Question Type

### An Important Surds and Indices Question Type

Another Important Surds and Indices Question Type