By akkane
- **Jan 30**, 02:00 AM

Math (PS)
With both valves open, the pool will be filled with water in 48 minutes. The first valve alone would fill the pool in 2 hours. What is the capacity of the pool if every minute the second valve admits 50 cubic meters of water...

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By akkane
- **Jan 29**, 02:00 AM

Math (PS)
Two sacks together contained 43.25 kg of sugar. If after 4.75 kg of sugar was taken from the first sack and poured into the second, the weight of the sugar in the first sack became 73% the weight of the sugar in the second...

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By Magoosh
- **Jan 28**, 09:00 AM

The single most-tested topic on the GMAT Quantitative Section is something called "Number Properties." In a way, this statement, while absolutely true, is a bit deceptive. It's like saying the biggest category at a particular zoo is mammals: even if that is completely true, that...

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By akkane
- **Jan 28**, 02:00 AM

Math (DS)
Is the range of a non-empty set S bigger than its mean?
1. All members of S are negative
2. The median of set S is negative
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
GMAT Daily Deals
Over...

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By Magoosh
- **Jan 25**, 09:00 AM

First of all, try this GMAT Sentence Correction practice problem.
1) Knocked from the asteroid belt, an asteroid that comes close to Earth may be captured by Earth's gravitational field, ultimately spiraling inward and, fully consumed during its fiery descent through the atmosphere while being a "falling...

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By akkane
- **Jan 25**, 02:00 AM

Math (PS)
It takes Jack 2 more hours than Tom to type 20 pages. Working together, Jack and Tom can type 25 pages in 3 hours. How long will it take Jack to type 40 pages?
(A) 5 hours
(B) 6 hours
(C) 8 hours
(D) 10 hours
(E) 12 hours
Question...

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By akkane
- **Jan 24**, 02:00 AM

Math (PS)
Two sets are defined as follows:
If a number is taken from set at random and another number is taken from set at random, what is the probability that the sum of these numbers is a prime integer?
(A)
(B)
(C)
(D)
(E)
Question...

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By Magoosh
- **Jan 23**, 09:00 AM

This is the third in a series of probability articles for the GMAT Quantitative Section. In the first, I discussed the "AND" and "OR" rules for probability. In the second, I discussed the "complement rule" and how to use this to solve "at least" problems in probability. ...

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By akkane
- **Jan 23**, 02:00 AM

Math (PS)
A contractor estimated that his 10-men crew could complete the construction in 110 days if there was no rain. (Assume the crew does not work on any rainy day and rain is the only factor that can deter the crew from working). However, after...

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By akkane
- **Jan 22**, 02:00 AM

Math (PS)
If equation encloses a certain region on the graph, what is the area of that region?
(A) 5
(B) 10
(C) 25
(D) 50
(E) 100
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
GMAT Daily Deals
Kaplan offers a “Test Day...

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