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- Video Course
- Video Course Overview - READ FIRST
- General GRE Info and Strategies - 7 videos (all free)
- Quantitative Comparison - 7 videos (all free)
- Arithmetic - 42 videos (some free)
- Powers and Roots - 43 videos (some free)
- Algebra and Equation Solving - 78 videos (some free)
- Word Problems - 54 videos (some free)
- Geometry - 48 videos (some free)
- Integer Properties - 34 videos (some free)
- Statistics - 28 videos (some free)
- Counting - 27 videos (some free)
- Probability - 25 videos (some free)
- Data Interpretation - 24 videos (some free)
- Analytical Writing - 9 videos (all free)
- Sentence Equivalence - 39 videos (all free)
- Text Completion - 51 videos (some free)
- Reading Comprehension - 16 videos (some free)

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## Comment on

QC Strategy - Approximation## 3003/9009=1/3 then 3003/9047

## To show why making the

To show why making the denominator bigger makes the value of the fraction smaller, consider this extreme example with a super huge denominator:

3003/300300000000

This fraction simplifies to 1/100000000, which is MUCH smaller than 1/3.

For more on this strategy see https://www.greenlighttestprep.com/module/gre-arithmetic/video/1067 (the related concept starts at 3:00)

## I am enjoying learning your

## your tricks are just amazing.

## very helpful tips and tricks.

## In your modulus of

## These are pretty big numbers,

These are pretty big numbers, so some students may feel more comfortable using the onscreen calculator.

That said, here's how I would calculate that product in my head:

75 x 84 = 150 x 42

= 300 x 21

= 300(20 + 1)

= (300 x 20) + (300 x 1)

= 6000 + 300

= 6300

## Learned something new today!

## Glad you liked the lesson!

Glad you liked the lesson!

Cheers,

Brent

## Hello sir,

I am really finding your videos useful but I am not getting how to access all the questions related to one particular topic.Kindly guide me.

## Under most video lessons

Under most video lessons (like the video above), have a Reinforcement Activities box (like the one above) with links to practice questions related to the concepts covered in the video lesson.

Here's a better example: https://www.greenlighttestprep.com/module/gre-arithmetic/video/1071

Does that help?

Cheers,

Brent

## Brilliant! I am very pleased

## Glad you like it

Glad you like it

Cheers,

Brent

## Glad you like it

Glad you like it

Cheers,

Brent

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