First, here are eight practice problems exploring typical GMAT percent themes. 1. The original price of a suit is $200. The price increased 30%, and after this increase, the store published a 30% off coupon for a one-day sale. Given that the consumers who used the coupon on sale day were getting 30% off the […]
First, a couple questions to start: 1) A large research project was scheduled over the course of a 28-month period, and a budget of $84,000 was allotted for the course of the entire project. After seven months, the project had spent $19,800. Was the project at this point over budget or under budget, and by […]
Magoosh’s very own Mike McGarry, GMAT/Math Teacher/Tutor/Foosball player extraordinaire, went through 5 different sets of Official GMAT Practice Material and tallied questions based on the subject material they tested to find the most common GMAT questions. Here are the samples of Official Material he used to figure out the GMAT Quant breakdown: 1.GMAT Official Guide […]
This is, among other things, a case study of one of the harder Data Sufficiency problems in the OG. Percents as Multipliers You can find several good tips on percent problems at this post. The most relevant here is the idea of a percent as multiplier. To change a percent into a multiplier: (a) change […]
Here are five quick tips to make you much more effective at interpreting and solving GMAT problems involving percents, one of the most common GMAT questions. Percents and Decimals Fundamentally, a percent is a fraction out of 100 – it is per centum (Latin for “per 100″). It’s easy to change a percent to […]
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