By akkane
- **Jun 6**, 02:00 AM

Math (PS)
If , what is the last digit of ?
(A) 8
(B) 6
(C) 4
(D) 2
(E) 1
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By akkane
- **Jun 5**, 02:00 AM

Math (PS)
A furniture manufacturer has two machines, but only one can be used at a time. Machine A is utilized during the first shift and Machine B during the second shift, while both work half of the third shift. If Machine A can do the...

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By Magoosh
- **Jun 4**, 09:00 AM

The 45º angle
Fact: All lines with slopes of 1 make 45º angles with both the x- and y-axes.
Conversely, if a line makes a 45º angles with either the x- of y-axes, you know immediately its slope must be . This first fact is true, not only...

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By akkane
- **Jun 4**, 02:00 AM

Math (PS)
The square of = ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
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By akkane
- **Jun 1**, 02:00 AM

Math (PS)
What is the area of a triangle with the following vertices , , and ?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Magoosh
- **May 31**, 09:00 AM

You may remember this formula, one of the sleekest factoring tricks in all of algebra:
This formula, called “the difference of two squares” formula, is a favorite of standardized test writers. A simple enough pattern: see if you can detect where it shows up in the...

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By akkane
- **May 31**, 02:00 AM

Math (DS)
If is a positive integer, is \sqrt{x} < 2.5x - 5[/latex] ?
1. [latex]x < 3[/latex]
2. [latex]x[/latex] is a prime number
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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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)
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