By dzyubam
- **Feb 15**, 02:00 AM

Math (PS)
Gold depreciated at a rate of per year between 2000 and 2005. If 1 kg of gold cost dollars in 2001 and dollars in 2003, how much did it cost in 2002?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer...

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By dzyubam
- **Feb 10**, 02:00 AM

Math (PS)
What positive number is 224% bigger than its reciprocal?
(A) 0.8
(B) 1.1
(C) 1.5
(D) 1.8
(E) 2.2
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By dzyubam
- **Feb 9**, 02:00 AM

Math (PS)
The sum of first consecutive odd integers is . What is the sum of all odd integers between 13 and 39 inclusive?
(A) 351
(B) 364
(C) 410
(D) 424
(E) 450
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the...

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By dzyubam
- **Feb 8**, 02:00 AM

Math (PS)
. What is in terms of ?
(A)
(B)
(C)
(D)
(E) none of the above
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By dzyubam
- **Jan 30**, 02:00 AM

Math (PS)
With both valves open, the pool will be filled with water in 48 minutes. The first valve alone would fill the pool in 2 hours. What is the capacity of the pool if every minute the second valve admits 50 cubic meters of water...

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By dzyubam
- **Jan 27**, 02:00 AM

Math (PS)
Two sacks together contained 43.25 kg of sugar. If after 4.75 kg of sugar was taken from the first sack and poured into the second, the weight of the sugar in the first sack became 73% the weight of the sugar in the second...

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

Math (PS)
It takes Jack 2 more hours than Tom to type 20 pages. Working together, Jack and Tom can type 25 pages in 3 hours. How long will it take Jack to type 40 pages?
(A) 5 hours
(B) 6 hours
(C) 8 hours
(D) 10 hours
(E) 12 hours
GMAT...

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By dzyubam
- **Jan 24**, 02:00 AM

Math (PS)
Two sets are defined as follows:
If a number is taken from set at random and another number is taken from set at random, what is the probability that the sum of these numbers is a prime integer?
(A)
(B)
(C)
(D)
(E)
GMAT...

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By dzyubam
- **Jan 23**, 02:00 AM

Math (PS)
A contractor estimated that his 10-men crew could complete the construction in 110 days if there was no rain. (Assume the crew does not work on any rainy day and rain is the only factor that can deter the crew from working). However, after...

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By dzyubam
- **Jan 20**, 02:00 AM

Math (PS)
If equation encloses a certain region on the graph, what is the area of that region?
(A) 5
(B) 10
(C) 25
(D) 50
(E) 100
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