By Miranda Menestrina
- Oct 27, 15:46 PM
Math
What is the product of a certain pair of consecutive odd integers?
(1) Exactly one of the integers is negative.
(2) At least one of the integers is positive.
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- Oct 24, 02:00 AM
Math
The diagram above shows a circle inscribed in a square. The area of the shaded region is approximately what percent of the area of the square?
A. 14%
B. 18%
C. 22%
D. 28%
E. 30%
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to...
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By Miranda Menestrina
- Oct 23, 02:00 AM
Math
If function f(x) satisfies f(x) = f(x^2) for all x, which of the following must be true?
A. f(4) = f(2)f(2)
B. f(16) - f(-2) = 0
C. f(-2) + f(4) = 0
D. f(3) = 3f(3)
E. f(0) = 0
Question Discussion & Explanation
Correct...
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By Miranda Menestrina
- Oct 22, 02:00 AM
Math
In a certain collection of books there are 30 books in hard cover that contain more than 100 pages. If 15 percent of the books that contain more than 100 pages are in hard cover, how many books contain more than 100 pages but...
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By Miranda Menestrina
- Oct 21, 02:00 AM
Math
How many odd three-digit integers greater than 800 are there such that all their digits are different?
A. 40
B. 60
C. 72
D. 81
E. 104
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- Oct 20, 02:00 AM
Math
If equation encloses a certain region on the coordinate plane, what is the area of this region?
A. 20
B. 50
C. 100
D. 200
E. 400
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- Oct 17, 02:00 AM
Math
The ratio of the number of employees of three companies X, Y and Z is 3:4:8, respectively. Is the average age of all employees in these companies less than 40 years?
(1) The total age of all the employees in these companies is 600.
(2) The...
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By Miranda Menestrina
- Oct 15, 02:00 AM
Math
Jack can complete the task in 8 hours. Tom can complete the same task in 12 hours. If Jack works on the task alone for 4 hours and then Tom starts to help him, how many hours in total will Jack have worked by the...
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