By dzyubam
- **Jul 4**, 02:00 AM

Math (PS)
If function satisfies for all , which of the following must be true?
(A)
(B)
(C)
(D)
(E)
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By dzyubam
- **Jul 1**, 02:00 AM

Math (PS)
How many odd three-digit integers greater than 800 are there such that all their digits are different?
(A) 40
(B) 56
(C) 72
(D) 81
(E) 104
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By dzyubam
- **Jun 30**, 02:00 AM

Math (PS)
If equation encloses a certain region on the coordinate plane, what is the area of this region?
(A) 20
(B) 50
(C) 100
(D) 200
(E) 400
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By Kaplan
- **Jun 29**, 08:00 AM

The practice GMAT problem below is an example of a Critical Reasoning bolded statement question. On bolded statement questions with two separate bold statements, determine what role the first bolded statement is playing in the argument, then determine what role the second bolded...

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By dzyubam
- **Jun 29**, 02:00 AM

Math (PS)
Jack can complete the task in 8 hours. Tom can complete the task in 12 hours. If Jack works on the task alone for 4 hours and then Tom starts to help him, how many hours in total will Jack have worked by the...

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By dzyubam
- **Jun 28**, 03:45 AM

Math (DS)
grams of water were added to the 80 grams of a strong solution of acid. As a result, the concentration of acid in the solution became times of the initial concentration. What was the concentration of acid in the original solution?
...

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By Knewton
- **Jun 27**, 09:00 AM

In the first post of our What to Memorize for the GMAT Verbal” series, we covered the business and logic vocabulary you should know for the test.
Next up: grammar rules.
Like the SAT and other standardized tests, the GMAT includes a “sentence correction” section. Unlike the...

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By Kaplan
- **Jun 27**, 08:00 AM

The majority of grammatical errors that appear in the sentence correction questions on the GMAT fall into six categories. Today’s question focuses on verb errors; when a verb appears in a sentence correction problem, make sure it is correct in both tense and number.
Problem:
Wolfgang...

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By dzyubam
- **Jun 27**, 02:00 AM

Math (DS)
A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ?
1. The ratio of the lengths of sides of the rectangle is 3:4
2. The difference between the lengths of sides of the rectangle is smaller...

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By dzyubam
- **Jun 24**, 03:30 AM

Math (PS)
How many integers between 18 and 70 inclusive are divisible by either 7 or 9 but not both?
(A) 11
(B) 12
(C) 13
(D) 14
(E) 15
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