By Miranda Menestrina
- **Dec 11**, 02:00 AM

Math (PS)
There is a certain triangle with sides 7, 10, and . If it is known that is an integer, how many different values are there of ?
(A) 8
(B) 10
(C) 13
(D) 14
(E) 16
Question Discussion & Explanation
Correct Answer - C - (click and...

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By Miranda Menestrina
- **Dec 10**, 02:00 AM

Math (PS)
A corporation with 5,000,000 shares of publicly listed stock reported total earnings of $7.20 per share for the first 9 months of operation. During the final quarter the number of publicly listed shares was increased to 10,000,000 shares, and fourth quarter earnings were reported...

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By Miranda Menestrina
- **Dec 9**, 02:00 AM

Math (DS)
Is ?
1.
2.
(click and drag your mouse to see the answer)
Question Discussion & Explanation
Correct Answer - E -
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By Miranda Menestrina
- **Dec 6**, 02:00 AM

Math (PS)
In normal printing mode, 20 printers can print 100 pages in 3 minutes. In economy mode, printers work 20% faster than in normal mode. How many printers are required to print 180 pages in 3 minutes in economy mode?
(A) 25
(B) 28
(C) 29
(D) 30
(E) 32
Question...

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

Math (PS)
John throws a coin until a series of three consecutive heads or three consecutive tails appears. What is the probability that the game will end after the fourth throw?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - B - (click and drag...

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By Miranda Menestrina
- **Dec 4**, 02:00 AM

Math (PS)
A steamer going upstream would cover the distance between town A and town B in 4 hours and 30 minutes. If the same steamer going downstream would cover the distance between the towns in 3 hours, how long would it take a raft moving...

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By Miranda Menestrina
- **Dec 3**, 02:00 AM

Math (DS)
If is a positive integer, is an integer?
1.
2. is a positive integer
(click and drag your mouse to see the answer)
Question Discussion & Explanation
Correct Answer - A -
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By Miranda Menestrina
- **Dec 2**, 02:00 AM

Math (DS)
There are two schools in the village. The average age of pupils in the first school is 12.2 years; the average age of pupils in the second school is 13.1 years. What is the average age of all school pupils in the village?
1. There...

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By Miranda Menestrina
- **Nov 29**, 02:00 AM

Math (PS)
What is the last digit of ?
(A) 1
(B) 3
(C) 6
(D) 7
(E) 9
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Nov 28**, 02:00 AM

Math (PS)
Each shelf of a bookcase contains 24 books. If the librarian took out 42 books and rearranged the remaining books so that all shelves but one contained 16 books and the last shelf contained 22 books, how many shelves does the bookcase have?
(A) 4
(B)...

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