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)
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By Magoosh
- **Jan 21**, 09:00 AM

This is an idiom that demonstrates some of the quirkiest aspects of the English language, aspects that often frustrate non-native speakers in the process of learning English. This idiom concerns the situation of talking about how two thing changes with respect to one another. Because...

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By akkane
- **Jan 21**, 02:00 AM

Math (PS)
If , what is the value of ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
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By Magoosh
- **Jan 18**, 09:00 AM

Suppose you know, or at least you suspect, that you want to go to business school at some point in the not-too-distant future. You know that you have to take a GMAT at some point and you want to get some idea about how long...

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By akkane
- **Jan 18**, 02:00 AM

Math (DS)
Driving 1.5 times slower, Bill was late for school today. What is the usual time it takes Bill to drive to school? (Assume that each day Bill takes the same route).
1. It took Bill 15 more minutes to drive to school today than usually
2....

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By akkane
- **Jan 17**, 02:00 AM

Math (DS)
Is ?
1.
2.
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
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By Magoosh
- **Jan 16**, 09:00 AM

Before a discussion of this cluster of idioms, take a look at these practice GMAT Sentence Correction questions.
1) Supply-side economics believes in the national economy growing most vigorously both through reducing taxes, especially taxes affecting large movements of capital, and by the elimination of the regulations that prevent business...

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By akkane
- **Jan 16**, 02:00 AM

Math (PS)
There are four distinct pairs of brothers and sisters. In how many ways can a committee of 3 be formed and NOT have siblings in it?
(A) 8
(B) 24
(C) 32
(D) 56
(E) 80
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to...

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