By Knewton
- **Oct 10**, 13:32 PM

Recently, I wrote about how some students place too great an emphasis on memorizing grammar rules. This misplaced emphasis can cause those students to eliminate answer choices that are grammatically and logically correct. Let’s look at a sample problem:
Jean-Michel Basquiat, who was...

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By dzyubam
- **Oct 10**, 02:00 AM

Math (PS)
Which set(s) has the greatest standard deviation?
1. Set 1 consisting of 10 digits
2. Set 2 consisting of 10 first positive consecutive even numbers
3. Set 3 consisting of 10 first primes
(A) set 1
(B) set 2
(C) set 3
(D) set 1 and 2
(E) set 1, 2, and...

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By dzyubam
- **Oct 7**, 02:00 AM

Math (DS)
Are integers , , and consecutive?
1. equals the arithmetic mean of and
2.
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By Knewton
- **Oct 6**, 13:23 PM

In last week’s post, I gave the following Data Sufficiency problem to be solved using a chart:
A certain zoo has 288 mammals, 25 percent of which are female. What percent of the mammals in the zoo were born at the zoo?
The number of male mammals...

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By dzyubam
- **Oct 6**, 02:00 AM

Math (PS)
A car dealership sold two cars: the first car at a 10% profit and the second car at a 10% loss, which gave them an overall profit margin of 5% from these two sales. If the dealership’s total profit was $1000, what was the...

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By dzyubam
- **Oct 5**, 02:00 AM

Math (DS)
Is a terminating decimal?
1.
2.
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By dzyubam
- **Oct 4**, 02:00 AM

Math (PS)
A computer generated a sequence of numbers using the following formula:
is the common difference between any two consecutive terms of the sequence
If the sum of the second and the fifth terms of the sequence is 8 and the sum of the...

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By Knewton
- **Oct 3**, 13:21 PM

The world of business is characterized by a language all its own. Looking to improve your own communication style, understand others better, or see a familiar world through a new lens? Here are 15 corporate and academic terms you should know if...

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By dzyubam
- **Oct 3**, 07:00 AM

September 2011 popularity index of Best GMAT Books as determined by GMAT Club members. (We measured how often our members referred to each of the books in their posts from the past month and assembled the GMAT Book popularity index below). You can also visit...

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By dzyubam
- **Oct 3**, 02:00 AM

Math (PS)
Lionel left his house and walked towards Walt’s house, 48 miles away. Two hours later, Walt left his house and ran towards Lionel’s house. If Lionel’s speed was 4 miles per hour and Walt’s 6 miles per hour, how many miles had Lionel walked...

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