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

Math
What is the last digit of ?
A. 1
B. 3
C. 6
D. 7
E. 9
(click and drag your mouse to see the answer)
Question Discussion & Explanation
Correct Answer - D -
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By Miranda Menestrina
- **Nov 4**, 02:00 AM

Math
Some part of a 50% solution of acid was replaced with an equal amount of 30% solution of acid. If, as a result, 40% solution of acid was obtained, what part of the original solution was replaced?
A. ...

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By Miranda Menestrina
- **Oct 30**, 02:00 AM

Math
A bowl contains red and green chips and no chips of any other color. If two chips are drawn from the basket at random without replacement, what is the probability that both chips will be green?
(1) 20% of all chips in the basket are...

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By Miranda Menestrina
- **Oct 28**, 02:00 AM

Math
At the end of the term, a group of three students has to take three tests. The maximum score on each test is 200. The table below shows the number of points scored by each of the students on tests 1 and 2.
What was...

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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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