By dzyubam
- **Nov 2**, 02:00 AM

Math (DS)
A plane takes off from a hill at 750 meters above sea level and lands some time later in a town located at 50 meters below sea level. During the first part of its flight, the plane gained height at a rate of 50...

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

Math (DS)
If , , and are points on the plane, is ?
1.
2. Area of triangle
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By dzyubam
- **Oct 31**, 02:00 AM

Math (PS)
4 women and 6 men work in the accounting department. In how many ways can a committee of 3 be formed if it has to include at least one woman?
(A) 36
(B) 60
(C) 72
(D) 80
(E) 100
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By dzyubam
- **Oct 28**, 02:00 AM

Math (DS)
If , is an integer?
1. is an integer.
2.
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By dzyubam
- **Oct 27**, 02:00 AM

Math (PS)
In how many different ways can a group of 8 people be divided into 4 teams of 2 people each?
(A) 90
(B) 105
(C) 168
(D) 420
(E) 2520
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By dzyubam
- **Oct 26**, 02:00 AM

Math (PS)
On the coordinate graph, a circle is centered at the point (3, 3). If the radius of the circle is , and there is a square inscribed into the circle cutting it into 5 regions, what is the area of the segment...

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By dzyubam
- **Oct 25**, 02:00 AM

Math (DS)
Is divisible by ?
1.
2. is an even prime number
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By dzyubam
- **Oct 24**, 02:00 AM

Math (PS)
John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume...

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By dzyubam
- **Oct 21**, 02:00 AM

Math (DS)
Is an integer?
1.
2.
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By dzyubam
- **Oct 20**, 02:00 AM

Math (PS)
A perfect number is defined as one for which the sum of all the unique factors less the number itself equals to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and...

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