By dzyubam
- **May 9**, 02:00 AM

Math (DS)
If is an integer, is a prime number?
1. is a multiple of a prime number
2. is a product of two integers
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
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By Magoosh
- **May 8**, 09:00 AM

Don't reproduce spoken-English mistakes in GMAT Sentence Correction
It's logical, but …
Consider the following sentences.
1) Unlike the full gram of potassium found in a baked potato, a banana has only about 600 milligrams.
2) So upset with the low wages set in the new contract, management had...

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By dzyubam
- **May 8**, 02:00 AM

Math (DS)
Points A, B, and C lie on a circle of radius 1. What is the area of triangle ABC ?
1.
2. equals 30 degrees
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Magoosh
- **May 7**, 09:00 AM

I'll begin with a typical GMAT Critical Reasoning question. As a case study, consider this question from the OG13e, CR #115 (OG12e, CR #114):
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry...

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

Math (DS)
What is ?
1. The median of set is 0
2. The median of set is
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By dzyubam
- **May 4**, 02:00 AM

Math (DS)
How many distinct prime divisors does a positive integer have?
1. has one prime divisor
2. has one prime divisor
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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e-GMAT’s methods and strategies help non-natives...

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

Math (PS)
What is the sum of digits in decimal notation of number ?
(A) 158
(B) 162
(C) 165
(D) 174
(E) 183
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By dzyubam
- **May 2**, 02:00 AM

Math (PS)
, , and are positive integers. When is divided by , the remainder is . If when is divided by , the remainder is , which of the following must be true?
(A) is even
(B)...

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By dzyubam
- **May 1**, 02:00 AM

Math (DS)
15 computers in the corporate network are infected with virus. If every day several computers are arbitrarily selected for scanning, what is the probability that no computer containing virus will be scanned in the course of the next five days?
1. 10 computers are scanned...

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By Magoosh
- **Apr 30**, 09:00 AM

Learn the important distinction between "that" vs. "which" on GMAT Sentence Correction.
That vs. which? Restrictive vs. Non-restrictive
A restrictive modifier limits the conceivable scope of a general noun to a relevant subset. For example, consider the difference in the following two sentences:
1) I avoid dogs that appear...

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