By Miranda Menestrina
- **May 30**, 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 Miranda Menestrina
- **May 28**, 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
- **May 23**, 02:00 AM

Math (PS)
If , what is the last digit of ?
(A) 8
(B) 6
(C) 4
(D) 2
(E) 1
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **May 22**, 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 Miranda Menestrina
- **May 21**, 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 Miranda Menestrina
- **May 20**, 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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By Miranda Menestrina
- **May 16**, 02:00 AM

Math (PS)
Two cities, Kensington MD and Reston VA are 30 km apart. From both of these cities, simultaneously, two hikers start their journeys towards each other. They are walking at a constant speed of 5 km/hour each. Simultaneously, a fly leaves the city of Kensington....

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By Miranda Menestrina
- **May 14**, 02:00 AM

Math (PS)
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability that exactly two will buy a pack of candy?
(A) 0.343
(B) 0.147
(C) 0.189
(D) 0.063
(E) 0.027
Question Discussion & Explanation
Correct...

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By Miranda Menestrina
- **May 13**, 02:00 AM

Math (PS)
A 10 liter mixture of cranberry juice and water contains juice and water in the ratio of 3 : 2. 5 liters of the mixture are removed and replaced with pure juice and the operation is repeated once more. At the end of the...

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By Miranda Menestrina
- **May 12**, 02:00 AM

Math (PS)
Which of the following integers is a divisor of ?
(A) 15
(B) 14
(C) 13
(D) 7
(E) 2
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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