By Miranda Menestrina
- **Feb 11**, 02:00 AM

Math (PS)
Water flows into an empty tank of 54 liters via 12 small pipes. The rate of each pipe is 1 liter per hour. However, water flows out of the tank via several big pipes at the rate of 1.5 liter per hour. If after...

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By Miranda Menestrina
- **Feb 7**, 02:00 AM

Math (PS)
If a portion of a half water/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution, what percentage of the original alcohol was replaced?
(A) 3%
(B) 20%
(C) 66%
(D) 75%
(E) 80%
Question Discussion & Explanation
Correct Answer - E - (click and drag...

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

Math (PS)
In preparation for the Olympics, a group of five women is participating in a 400 meter race. What is the probability that either Jenny or Sally will win this race?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and...

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

Math (PS)
A luxury liner, Queen Marry II, is transporting several cats as well as the crew (sailors, a cook, and one-legged captain) to a nearby port. Altogether, these passengers have 15 heads and 41 legs. How many cats does the ship host?
(A) 3
(B) 5
(C) 6
(D)...

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By Miranda Menestrina
- **Feb 4**, 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 Miranda Menestrina
- **Jan 29**, 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)
GMAT Daily Deals
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By Miranda Menestrina
- **Jan 28**, 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 Miranda Menestrina
- **Jan 27**, 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)
GMAT Daily Deals
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By Miranda Menestrina
- **Jan 17**, 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)
Question...

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By Miranda Menestrina
- **Jan 16**, 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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