By Magoosh
- **May 30**, 16:23 PM

Here’s a whirlwind tour of one of the most frequently tested sets of concepts on the GMAT Quantitative section. You don’t have to be an expert on statistics: a little goes a long way.
The Mean
The mean is just the ordinary average: add up all the items...

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

Math (PS)
Two cities, Kensington MD and Reston VA are 30 km apart. From both of these cities, simultaneously, two hikers start their journeys towards each other. They are walking at a constant speed of 5 km/hour each. Simultaneously, a fly leaves the city of Kensington....

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

Math (DS)
What is the value of ?
1. is odd
2. is even
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
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By Magoosh
- **May 28**, 09:00 AM

The title of this post may seem facetious. After all, even the person most allergic to math, most traumatized by math, still remembers how to count! The GMAT, of course, generally will not ask you, for example, to count from one to seven. The GMAT...

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

Math (PS)
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability that exactly two will buy a pack of candy?
(A) 0.343
(B) 0.147
(C) 0.189
(D) 0.063
(E) 0.027
Question Discussion & Explanation
Correct...

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

Math (PS)
A 10 liter mixture of cranberry juice and water contains juice and water in the ratio of 3 : 2. 5 liters of the mixture are removed and replaced with pure juice and the operation is repeated once more. At the end of the...

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

Math (PS)
Which of the following integers is a divisor of ?
(A) 15
(B) 14
(C) 13
(D) 7
(E) 2
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Magoosh
- **May 23**, 09:00 AM

Think about what distinguishes an effective manager from a pencil-pusher. The dutiful pencil-pusher can verify: A is a fact, B is a fact, and C is a fact. The effective manager can say, well, if we know A & B & C, it would not...

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

Math (DS)
, , and are integers. Is ?
1.
2. ( and )
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
GMAT Daily Deals
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By akkane
- **May 22**, 02:00 AM

Math (PS)
The average of 4 different positive integers is 125 and the largest of these integers is 150, what is the least possible value of the smallest of the 4 integers?
(A) 1
(B) 2
(C) 12
(D) 53
(E) 100
Question Discussion & Explanation
Correct Answer - D - (click and...

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