By Miranda Menestrina
- **Mar 13**, 02:00 AM

Math (DS)
and are positive integers and . What is the value of ?
1.
2. is a prime number
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Mar 7**, 02:00 AM

Math (DS)
Set consists of a certain number of even integers divisible by 3. Is standard deviation of positive?
1. All elements of set are positive
2. The range of set is 0
Question Discussion & Explanation
Correct Answer - B - (click and drag your...

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By Miranda Menestrina
- **Mar 6**, 02:00 AM

Math (DS)
If sets and are united into a single set, will the mean of this set be smaller than the sum of means of sets and ?
1. and are one-element sets
2. Neither set nor set contains negative...

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By Miranda Menestrina
- **Mar 5**, 02:00 AM

Math (PS)
If is a positive integer, is defined as the number of positive integers which are less than and do not have common factor with other than 1. If is prime then
(A)
(B)
(C)
(D)
(E) 2
Question Discussion &...

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By Miranda Menestrina
- **Mar 4**, 02:00 AM

Math (DS)
A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ?
1. The ratio of the lengths of sides of the rectangle is 3:4
2. The difference between the lengths of sides of the rectangle is smaller...

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By Miranda Menestrina
- **Feb 28**, 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 Miranda Menestrina
- **Feb 27**, 02:00 AM

Math (DS)
What is the mean of four consecutive even integers , , , ? is the smallest of the four integers.
1.
2.
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
GMAT Daily...

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By Miranda Menestrina
- **Feb 21**, 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 Miranda Menestrina
- **Feb 20**, 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 Miranda Menestrina
- **Feb 19**, 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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