GRE Math : How to find the part from the whole
Study concepts, example questions & explanations for GRE Math
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Example Questions
Example Question #1 : How To Find The Part From The Whole
Quantitative Comparison
Quantity A: 10% of $45
Quantity B: 45% of $10
Quantity B is greater.
The two quantities are equal.
The relationship cannot be determined from the information given.
Quantity A is greater.
The two quantities are equal.
Quantity A: .1 * 45 = $4.50
Quantity B: .45 * 10 = $4.50
Therefore the two quantities are equal. This is always true: a% of $b = b% of $a.
Example Question #12 : Percentage
What percent of 5 is 
Example Question #823 : Gre Quantitative Reasoning
Quantity A:
Quantity B:
Which of the following is true?
A comparison cannot be detemined from the given information.
Quantity B is larger.
The two quantities are equal.
Quantity A is larger.
Quantity B is larger.
This type of problem is very easy. You merely need to translate the text into the form of an equation. For this, remember that "of" is translated as multiplication and "is" as equality. This gives us the following.
Quantity A:
Becomes...
Quantity B:
Becomes...
Therefore, quantity B is larger.
Example Question #824 : Gre Quantitative Reasoning
Quantity A:
Quantity B:
Which of the following is true?
The two quantities are equal.
Quantity B is larger.
Quantity A is larger.
A comparison cannot be detemined from the given information.
Quantity B is larger.
This type of problem is very easy. You merely need to translate the text into the form of an equation. For this, remember that "of" is translated as multiplication and "is" as equality. This gives us the following.
Quantity A:
Becomes...
Quantity B:
Becomes...
Therefore, quantity B is larger.
Example Question #825 : Gre Quantitative Reasoning
Quantity A:
Quantity B:
Which of the following is true?
A comparison cannot be detemined from the given information.
Quantity B is greater.
Quantity A is greater.
The two quantities are equal.
The two quantities are equal.
This type of problem is very easy. You merely need to translate the text into the form of an equation. For this, remember that "of" is translated as multiplication and "is" as equality. This gives us the following.
Quantity A:
Becomes...
Quantity B:
Becomes...
Therefore, the two quantities are equal.
Example Question #826 : Gre Quantitative Reasoning
A bag contains 
To solve this problem we must first find what percent of the money in the bag is in nickels. We know that combined, quarters and dimes make up 40% of the coins and that the rest are nickels. Therefore 60% of the money in the bag are nickels. We then multiply the total amount of coins in the bag with that percentage in order to find out how many nickels are in the bag. 
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