By Jeff
- **Aug 6**, 02:00 AM

Math
In the office supply store, Brittany bought 17 pens of three kinds: ball pens, gel pens, and ink pens, which cost $0.05, $0.10 and $0.25 each. The total that Brittany paid was $2.05. If Brittany bought twice as many gel pens as ink pens, how...

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

Math
How many five-digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 3, without repeating the digits?
A. 15
B. 96
C. 120
D. 181
E. 216
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the...

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

Math
A perfect number is defined as one for which the sum of all the unique factors less the number itself is equal to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and...

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

Math
If Mary bought only kiwis, bananas, and lemons at the grocery store in proportion of 1 : 4 : 7 accordingly, how many lemons did Mary buy?
(1) The total number of the fruits Mary bought is 24.
(2) Mary bought 8 bananas.
Question Discussion & Explanation
Correct Answer...

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By Jeff
- **Jul 31**, 02:00 AM

Math
John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume that...

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By Jeff
- **Jul 30**, 02:00 AM

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

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

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

Math
If Bill can buy 3 pairs of jeans and 2 shirts for $69 or 2 pairs of jeans and 3 shirts for $66, how much does one shirt cost?
A. $10
B. $12
C. $13.20
D. $15
E. $16.80
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse...

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By Jeff
- **Jul 24**, 02:00 AM

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