By Miranda Menestrina
- **Mar 25**, 02:00 AM

Math (PS)
If , , , and , what is the value of
(A) 10
(B) 15
(C) 20
(D) 25
(E) 30
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Mar 24**, 02:00 AM

Math (PS)
If , where and are integers and , what is the value of ?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Mar 21**, 02:00 AM

Math (PS)
4% of population of country L has military experience and supports a war against Country G. If 20% of those who support the war have no military experience what percentage of the country's population actually supports war against G?
(A) 5%
(B) 7.5%
(C) 10%
(D) 12.5%
(E) 15%
Question...

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By Miranda Menestrina
- **Mar 20**, 02:00 AM

Math (PS)
There are 6 cards numbered from 1 to 6. They are placed into a box, and then one is drawn and put back and then another card is drawn and put back. What is the probability that one of the cards was 5 if...

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By Miranda Menestrina
- **Mar 19**, 02:00 AM

Math (PS)
Robert can eat a 20 kg. bag of potatoes in 10 days. He and his wife Jane can eat the same bag in 7 days. How many days does it take Jane to eat a 20 kg. bag of potatoes by herself?
(A)
(B)
(C)...

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By Miranda Menestrina
- **Mar 17**, 02:00 AM

Math (PS)
Two trains continuously travel between Washington DC and Baltimore, which is 120 miles away. They start simultaneously, train A at Washington and train B at Baltimore, and run at 30 and 90 mph respectively. The station turnaround times are negligible. What is the distance...

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By Miranda Menestrina
- **Mar 14**, 02:00 AM

Math (PS)
Foodmart customers regularly buy at least one of the following products: milk, chicken, or apples. 60% of shoppers buy milk, 50% buy chicken, and 35% buy apples. If 10% of the customers buy all 3 products, what percentage of Foodmart customers purchase exactly 2...

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

Math (PS)
A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting?
(A) 4%
(B) 166%
(C) 266%
(D) 300%
(E) 400%
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Mar 10**, 02:00 AM

Math (PS)
Which expression has the greatest value?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Mar 5**, 02:00 AM

Math (PS)
If is a positive integer, is defined as the number of positive integers which are less than and do not have common factor with other than 1. If is prime then
(A)
(B)
(C)
(D)
(E) 2
Question Discussion &...

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