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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By Jeff
- **Jan 2**, 02:00 AM

Math
If two different solutions of alcohol with a respective proportion of water to alcohol of 3:1 and 2:3 were combined, what is the concentration of alcohol in the new solution if the original solutions were mixed in equal amounts?
A. 30.0%
B. 36.6%
C. 42.5%
D. 44.4%
E. 60.0%
Question Discussion...

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By Jeff
- **Jan 1**, 02:00 AM

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By Jeff
- **Dec 29**, 02:00 AM

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By Jeff
- **Dec 28**, 02:00 AM

Math
6 male and 8 female employees work in the IT department. If an expert group has to be formed including 2 men and 1 woman, how many variants are possible?
A. 60
B. 80
C. 120
D. 150
E. 180
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse...

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By Jeff
- **Dec 27**, 02:00 AM

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By Jeff
- **Dec 26**, 02:00 AM

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By Jeff
- **Dec 25**, 02:00 AM

Math
If the dollar depreciated of 3%, what is the depreciation expressed in decimal form?
A. 0.000625
B. 0.001875
C. 0.002450
D. 0.003750
E. 0.009225
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
Verbal
At the heart of euro crisis is Mrs. Merckel’s lack of...

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