GRE Math : Percentage
Study concepts, example questions & explanations for GRE Math
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Example Questions
Example Question #221 : Arithmetic
Choose the answer which best expresses the following percentage as a decimal:
To convert a percentage into a decimal, simply place the decimal point in front of the tens digit of the percentage. So, 
Example Question #11 : Percentage
Choose the answer below which best expresses the following decimal as a percent:
To convert a percent into a decimal, simply know that the tenths place of the decimal will correspond to the tens digit of the percent, and the thousandths place of the decimal will correspond to the ones digit of the percent. Any ensuing digits will be behind a decimal in the final percent.
Also converting a decimal to a percent can be accomplished by multiplying the percent by 100.
Therefore, the best answer here is:
Example Question #2 : How To Find Percentage Equivalent To A Decimal
Choose the answer which best expresses the following decimal as a percentage, rounded to the nearest tenth of a percent if necessary:
To express a decimal as a percent, multiply the decimal by one hundred:
Then add your percent sign after:
Example Question #3 : How To Find Percentage Equivalent To A Decimal
Choose the answer which best expresses the following decimal as a percentage, rounded to the nearest tenth of a percent if necessary:
To express a decimal as a percent, multiply the decimal by one hundred:
Then add your percent sign:
Example Question #4 : How To Find Percentage Equivalent To A Decimal
Choose the answer which best expresses the following decimal as a percentage, rounded to the nearest tenth of a percent if necessary:
To express a decimal as a percent, multiply the decimal by one hundred:
Then, add your percent sign after:
Example Question #5 : How To Find Percentage Equivalent To A Decimal
Choose the answer which best expresses the following decimal as a percentage, rounded to the nearest tenth of a percent if necessary:
To find the equivalent percentage we need to multiply the decimal by 100.
Then, add your percent sign:
Example Question #1 : Whole And Part
Quantitative Comparison
Quantity A: 10% of $45
Quantity B: 45% of $10
The relationship cannot be determined from the information given.
Quantity B is greater.
The two quantities are equal.
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 #1 : Whole And Part
What percent of 5 is 
Example Question #11 : Percentage
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 #2 : How To Find The Part From The Whole
Quantity A:
Quantity B:
Which of the following is true?
Quantity B is larger.
Quantity A is larger.
The two quantities are equal.
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.
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