By akkane
- **Mar 12**, 02:00 AM

Math (DS)
Vertices of a triangle have coordinates , and . Is the area of the triangle bigger than 15?
1.
2. The triangle is right
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
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By akkane
- **Mar 11**, 02:00 AM

Math (PS)
A basket contains 3 blue marbles, 3 red marbles, and 3 yellow marbles. If 3 marbles are extracted from the basket at random, what is the probability that a marble of each color is among the extracted?
(A)
(B)
(C)
(D)
(E)
Question Discussion &...

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By akkane
- **Mar 8**, 02:00 AM

Math (DS)
Set consists of distinct numbers such that the difference between any two different elements of set is an integer. How many elements does set contain?
1. The difference between any two different elements of set is 2
...

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By akkane
- **Mar 7**, 02:00 AM

Math (PS)
During the break of a football match the coach will make 3 substitutions. If the team consists of 11 players among which there are 2 forwards, what is the probability that none of the forwards will be substituted?
(A)
(B)
(C)
(D)
(E)
Question Discussion...

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

Math (PS)
How many real roots does this equation have?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By akkane
- **Mar 5**, 02:00 AM

Math (PS)
Function is defined as follows:
if is positive or 0 then ;
if is negative then .
Which of the following is true about ?
I.
II.
III.
(A) I only
(B) II only
(C) III only
(D) I and III only
(E) not I, II, or III
Question Discussion...

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

Math (PS)
How many odd three-digit integers greater than 800 are there such that all their digits are different?
(A) 40
(B) 56
(C) 72
(D) 81
(E) 104
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By akkane
- **Mar 1**, 02:00 AM

Math (DS)
On the picture above, is the area of the triangle greater than 1?
1.
2. Perimeter of the triangle is greater than
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see...

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

Math (DS)
The vertices of a triangle have coordinates , , and where and . What is the area of the triangle?
1.
2. Angle at the vertex = angle at the vertex
Question...

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By akkane
- **Feb 27**, 02:00 AM

Math (PS)
A smith received an order to make a 1 million liter cube-shaped tank (note that 1 cubic meter = 1,000 liters of water). If he has only 4 meter by 2 meter sheets of metal that can be cut, how many metal sheets will...

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