By dzyubam
- **Mar 22**, 02:00 AM

Math (DS)
and are positive integers and . What is the value of ?
1.
2. is a prime number
OA and Explanation
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By Knewton
- **Mar 21**, 12:15 PM

If you’ve done a bit of GMAT verbal practice, you’ve probably figured out the general tendency of GMAT CR questions: they present an argument, and then ask the test-taker to take on the role of an outside observer and identify or judge parts of that...

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By dzyubam
- **Mar 21**, 02:00 AM

Math (DS)
When is divided by 5, the remainder is 2. Is divisible by 7?
1. is a prime number
2. is a multiple of 10
OA and Explanation
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By Knewton
- **Mar 19**, 12:14 PM

//
In this video, Jess and Rich cover helpful strategies for solving Data Sufficiency questions involving systems of equations. There are three sample problems to try on your own: pause the video at 00:37, 5:30, and 8:00 to try your hand at each one. After...

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By Knewton
- **Mar 18**, 12:12 PM

//
In this video, Jess and Rich show you the best methods for simplifying Data Sufficiency prompts and translating equations into more helpful forms. They present two sample problems (pause the video at 00:21 and 4:10 to try them out for yourself), and then walk...

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By dzyubam
- **Mar 18**, 02:00 AM

Math (PS)
A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting?
(A) 4%
(B) 166%
(C) 266%
(D) 300%
(E) 400%
OA and Explanation
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By clearadmit
- **Mar 17**, 12:18 PM

For all you “early birds” who are planning to apply to business school this fall, we wanted to offer a few tips on managing your time as it relates to the GMAT exam. Because this is an important element for ...

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By Knewton
- **Mar 17**, 12:10 PM

//
In this video, Jess and Rich talk about “testing cases” in Data Sufficiency problems — i.e. coming up with example numbers and trying them out to see what happens. The goal of this strategy is to help you determine if the DS question prompt...

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By Knewton
- **Mar 17**, 09:00 AM

Let’s face it: exponent rules can be bone dry. Hardly anyone gets excited about building out factor trees. Except for my good friend, RoboMath.
With his sweet, autotuned voice and razor-sharp GMAT focus, RoboMath croons his way through tricky Quant questions like he was built for...

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By dzyubam
- **Mar 17**, 02:00 AM

Math (PS)
Which expression has the greatest value?
(A)
(B)
(C)
(D)
(E)
OA and Explanation
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