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## Statistics & Sets - Three Overlapping Sets

Today, let's take a look at the concepts of three overlapping sets. How do we get the total elements in a set?

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## Question on Polygons - Hexagon's Interior Angles

This is a tough question but certainly GMAT relevant. It does need some ingenuity and we would expect something like this to show up when someone is sitting at Q50-51 score. Even then, getting this wr...

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## Question on Polygons - Interior Angles

Today, let's take a look at a polygons question which tests our grasp of number properties and statistics too! This will be seen commonly in GMAT - a question testing multiple topics. That is why we d...

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## Arithmetic - Replacement in Mixtures

Replacement is a very interesting, not to mention useful, concept in GMAT. So brace yourself to learn some new things today.

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## Number Properties - Basics of Divisibility

Today, we will discuss the topic of Divisibility. We will discuss what divisibility is at a very basic level this week and then move on to remainders in the coming weeks.

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## Arithmetic - Factors of Consecutive Integers

Trick 1: Pick any two consecutive integers (Don’t tell me what they are!). Multiply them. Whatever your numbers, the product is an even number! If you are wondering how I knew that, you desperately ne...

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## Arithmetic - Weights in Weighted Average

We have discussed weighted averages in detail but one thing we are yet to talk about is how you decide what the weights will be in weighted average problems. It is not always straight forward to ident...

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## Arithmetic - Mixtures

If you are not a Quant jock, I am sure you feel a chill run down your spine every time you see a mixtures problem. But guess what, they are really simple if you just use the same weighted average conc...

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## Arithmetic - Work Rate using Joint Variation

Today, let's discuss work-rate using joint variation. Though we will use the concepts of joint variation, we will solve the questions using a simple methodology.

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## Number Properties - Really Knowing the Factors

What we will discuss today is a very simple concept but it seems odd to us when we first confront it even if we are very comfortable with factors and divisibility. If we tell you the concept right awa...

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