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

Math (PS)
The box contains 10 tablets of medicine A and 15 tablets of medicine B. tablets are taken from the box at random. What is the least possible that ensures that at least two tablets of each kind are among the extracted?
(A) 12
(B)...

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By dzyubam
- **Jun 13**, 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 dzyubam
- **Jun 10**, 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 dzyubam
- **Jun 9**, 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
OA and Explanation
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By dzyubam
- **Jun 8**, 02:00 AM

Math (DS)
At what angle do the lines and intersect?
1.
2.
OA and Explanation
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By dzyubam
- **Jun 7**, 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 dzyubam
- **Jun 6**, 02:00 AM

Math (DS)
Is ?
1.
2.
OA and Explanation
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By dzyubam
- **Jun 3**, 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 dzyubam
- **Jun 2**, 02:00 AM

Math (PS)
If , what is the last digit of ?
(A) 8
(B) 6
(C) 4
(D) 2
(E) 1
OA and Explanation
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To welcome...

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By dzyubam
- **Jun 1**, 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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