By Jeff
- **Jan 16**, 02:00 AM

Math
Tanks X and Y contain 500 and 200 gallons of water respectively. If water is being pumped out of tank X at a rate of gallons per minute and water is being added to tank Y at a rate of

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By Jeff
- **Jan 15**, 02:00 AM

Math
How many three-digit integers greater than 710 are there such that all their digits are different?
A. 198
B. 202
C. 207
D. 209
E. 212
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
Verbal
As an actress and, more importantly, as a teacher of acting,...

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By Jeff
- **Jan 12**, 02:00 AM

Math
If after a number was added to a set consisting of all distinct one-digit prime integers, the median of the set grew by 25%, which of the following cannot be the value of the number added?
A. 4.8
B. 5.0
C.
D. 7.7
E.
Question...

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By Jeff
- **Jan 11**, 02:00 AM

Math
Out of 320 people, 75% like talk-show 1 and 65% of the people who like talk-show 1 also like talk-show 2. If there are no people who like talk-show 2 but do not like talk-show 1, how many of the 320 people do not like...

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By Jeff
- **Jan 10**, 02:00 AM

Math
2 laptops and 6 desktops were bought for office needs. If a laptop is twice as expensive as a desktop, what percent of the money was spent on laptops?
A. 30
B. 40
C. 48
D. 50
E. 60
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to...

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By Jeff
- **Jan 9**, 02:00 AM

Math
A bookstore sells new books for $15 each and used books for $10 each. On every new book, the store makes a profit of $5 while on every used book it makes a profit of $2. If on a given day the bookstore's sales amounted...

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By Jeff
- **Jan 8**, 02:00 AM

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By Jeff
- **Jan 5**, 02:00 AM

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By Jeff
- **Jan 4**, 02:00 AM

Math
What is the mean age of all students of the city's schools?
(1) The average age of the students in each of the city's schools is 12
(2) The number of students in each of the city's schools is 70
Question Discussion & Explanation
Correct Answer - A - (click and...

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By Jeff
- **Jan 3**, 02:00 AM

Math
What is the probability that one of the two integers randomly selected from range 20-29, inclusive, is prime and the other is a multiple of 3?
(The numbers are selected independently of each other, i.e. they can be equal)
A. 0.06
B. 0.12
C. 0.15
D. 0.18
E. 0.20
Question Discussion &...

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