By dzyubam
- **Dec 7**, 02:00 AM

Math (DS)
If is a positive integer, is an integer?
1.
2. is a positive integer
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By dzyubam
- **Dec 6**, 02:00 AM

Math (DS)
There are two schools in the village. The average age of pupils in the first school is 12.2 years; the average age of pupils in the second school is 13.1 years. What is the average age of all school pupils in the village?
1. There...

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By dzyubam
- **Dec 5**, 02:00 AM

Math (PS)
What is the last digit of ?
(A) 1
(B) 3
(C) 6
(D) 7
(E) 9
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Verbal (SC)
Standard police procedure...

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

Math (PS)
Each shelf of a bookcase contains 24 books. If the librarian took out 42 books and rearranged the remaining books so that all shelves but one contained 16 books and the last shelf contained 22 books, how many shelves does the bookcase have?
(A) 4
(B)...

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

Math (PS)
How many integers are divisible by 3 between and inclusive?
(A) 6
(B) 7
(C) 8
(D) 9
(E) 10
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By dzyubam
- **Nov 30**, 02:00 AM

Math (DS)
If and , is ?
1.
2.
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By dzyubam
- **Nov 29**, 02:00 AM

Math (PS)
Three cannons are firing at a target. If their individual probabilities to hit the target are 0.3, 0.4, and 0.5 respectively, what is the probability that none of the cannons will hit the target after one round of fire?
(A) 0.06
(B) 0.12
(C) 0.21
(D) 0.29
(E) 0.94
GMAT...

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By dzyubam
- **Nov 28**, 02:00 AM

Math (PS)
The population of Linterhast was 3,600 people in 1990 and 4,800 people in 1993. If the population growth rate per thousand is constant, then what will be the population in 1996?
(A) 6,000
(B) 6,400
(C) 7,200
(D) 8,000
(E) 9,600
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By dzyubam
- **Nov 25**, 02:00 AM

Math (PS)
If , which of the following must be true about ? ( )
(A)
(B)
(C)
(D)
(E)
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By dzyubam
- **Nov 24**, 02:00 AM

Math (DS)
If and are positive integers, is divisible by 15?
1. is a multiple of 25, and is a multiple of 20
2.
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