By akkane
- **Jun 17**, 02:00 AM

Math (DS)
grams of water were added to 80 grams of a strong solution of acid. If as a result, the concentration of acid in the solution became times of the initial concentration, what was the concentration of acid in the original solution?
1.
2....

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By akkane
- **Jun 14**, 02:00 AM

Math (PS)
If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio of the power of a 9-cylinder engine to that of a 12-cylinder engine?
(A) 0.69
(B) 0.71
(C) 0.72
(D)...

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By akkane
- **Jun 13**, 02:00 AM

Math (PS)
There are 3 red chips and 2 blue chips. When arranged in a row, they form a certain color pattern, for example RBRRB. How many color patterns are possible?
(A) 10
(B) 12
(C) 24
(D) 60
(E) 100
Question Discussion & Explanation
Correct Answer - A - (click and drag...

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

Math (DS)
At what angle do the lines and intersect?
1.
2.
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By akkane
- **Jun 11**, 02:00 AM

Math (PS)
If the farmer sells 75 of his chickens, his stock of feed will last for 20 more days than planned, but if he buys 100 more chickens, he will run out of feed 15 days earlier than planned. If no chickens are sold or...

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By akkane
- **Jun 10**, 02:00 AM

Math (DS)
Is
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
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By akkane
- **Jun 7**, 02:00 AM

Math (DS)
Water evaporates at the rate of two liters per hour per one square meter of surface. How long will it take to evaporate 30 liters of water from a swimming pool full of water with vertical walls and a flat bottom that holds 56...

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By akkane
- **Jun 5**, 02:00 AM

Math (PS)
A furniture manufacturer has two machines, but only one can be used at a time. Machine A is utilized during the first shift and Machine B during the second shift, while both work half of the third shift. If Machine A can do the...

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

Math (PS)
The square of = ?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
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By akkane
- **Jun 3**, 02:00 AM

Math (PS)
What is the area of a triangle with the following vertices , , and ?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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