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Example Questions
Example Question #1 : How To Subtract Negative Numbers
Quantity A:
Quantity B:
The relationship cannot be determined from the information given.
The two quantities are equal
Quantity B is greater
Quantity A is greater
Quantity A is greater
Since both quantities have an , you can ignore this variable, which will give you
and
for quantities A and B, respectively. Since
and
are both negative numbers,
must be bigger than
, which means that no matter what numbers they are, Quantity A must be bigger.
Example Question #2 : How To Subtract Negative Numbers
If and
are integers such that
and
, what is the smallest possible value of
?
To make as small as possible, let
be as small as possible
, and subtract the largest value of
possible
:
Example Question #712 : Gre Quantitative Reasoning
Quantity A:
Quantity B:
Which of the following is true?
Quantity A is larger.
The two quantities are equal in size.
The relationship between the quantities cannot be determined.
Quantity B is larger.
Quantity B is larger.
A problem like this one is very easy. All you need to do is manage your arithmetic well. Remember that when you subtract a negative number, this is the same as adding the positive of that number. Therefore, you can rewrite each of your quantities:
Quantity A:
Using a calculator, this comes out to be:
Quantity B:
Using a calculator, this comes out to be:
Therefore, quantity B is larger.
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