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GMAT
Studying for the GMAT
53
Business
Graduate
05/07/2013

Additional Business Flashcards

 


 

Cards

Term
Integer
Definition
  • Numbers we think of when we think of numbers; positive or negative. 
  • Zero is an integer.
Term
Positive x Positive = ?
Definition
Positive
Term
Positive x Negative = ?
Definition
Negative
Term
Negative x Negative
Definition
Positive
Term
Digits
Definition
10 digits (0-9)
Term
Name digit and unit in 246
Definition
  • 2 = Hundreds digit
  • 4 = Tens digit
  • 6 = Units/Ones digit
Term
Name the digits and unit in 27.63
Definition
  • 2 = Tens digit
  • 7 = Units/Ones digit
  • 6 = Tenths digit
  • 3 = Hundreths digit
Term
Odd + Odd = ?
Definition
Even
Term
Even + Odd = ?
Definition
Odd
Term
Even + Even = ?
Definition
Even
Term
Odd x Odd = ?
Definition
Odd
Term
Even x Odd = ?
Definition
Even
Term
Even x Even = ?
Definition
Even
Term
Remainder
Definition
The number that is left over at the end of division
Term
Consecutive Integers
Definition

Integers listed in order of increasing size without any integers missing in between. 

 

Term
Formula for consecutive integers
Definition
n, n+1, n+2, n+3
Term
Distinct numbers
Definition
Numbers that different values (x and y)
Term
Prime Number
Definition
  • Positive integer that can be divided evenly only by two numbers: itself and 1.
  • 2, 3, 5, 7, 11, 13
  • 2 is the smallest and only even prime number
  • Neither 0 or 1 is a prime number
  • All prime numbers are positive (no negatives)
Term
Divisible
Definition
  • When a number can be evenly divided by another number = divisble
Term
A number is divisible by two if...
Definition

Its units digit can be divided evenly by two. 

 

Example: 772 is divisible by 2. 

Term
A number is divisible by 3 if...
Definition

The sum of its digits can be divided evenly by 3.

 

216 = 2+1+6= 9

9 is divisible by 3, so 216 is divisible by 3

Term
A number is divisible by 4 if...
Definition

The number formed by its last two digits is divisble by 4.

3,028 --> 28

28/4 = 8, so 3,028 is divisible by 4

Term
A number is divisible by 5 if...
Definition
Its final digit is either 0 or 5
Term
A number is divisible by 6 if...
Definition

It is divisble by both 2 and 3, the factors of 6.

318 is even, so it is divisble by 2.

318 = 3+1+8 = 12

12 is divisble by 3

Term
4 over 0
Definition
undefined
Term
0 over 4
Definition
0
Term
Factor
Definition

A number is a factor of another number if it can be divided evenly into that number. 

 

Factors of 15 = 1,3,5,15

Term
Multiple
Definition

A number (x) is considered to be a multiple of another number (y) if y times another integer equals x.

 

15 is a multiple of 3, since you can multiple 3x5

 

I would consider this like a "product" of a number

"Factors are few, multiples are many"

Term
Absolutle value
Definition
  • Distance between a number and zero
  • Always postive
  • -5 = 5
  • 6 = 6
  • Expressed as a the number sandwiched between two lines l6l
Term
<
Definition
Less than
Term
>
Definition
Greater than
Term
Best strategy for answering data sufficiency
Definition
Look at one statement at a time and determine whether you can crack that statement with the information provided.
Term
The result of addition
Definition
Sum
Term
The result of subtraction
Definition
Difference
Term
The result of multiplication
Definition
Product
Term
Result of division
Definition
Quotient
Term
In the expression x², the little two is called the
Definition
exponent (Raising to a power)
Term
Square root of four is
Definition
2x2 = 2
Term
Order of arithmetic operations
Definition

Please  - Parentheses

Excuse - Exponents

My       - Multiplicaiton

Dear    - Division

Aunt    - Addition

Sally    - Subtraction

Term
Associative Law
Definition
When you are adding or multiplying a series of numbers, you can group or regroup the numbers any way you like.
Term
Distributive Law
Definition

The Distributive Law means that you get the same answer when you multiply a number by a group of numbers added together as when you do each multiplication separately.


a(b+c) = ab + ac

Term
If a problem gives you information in "factored form", i.e. a(b+c), you should...
Definition
Distribute it immediately
Term
If a problem gives you information in "distributed form", i.e. ab + ac), you should...
Definition
Factor it
Term
Fraction
Definition

Another way of expressing division. 

1 over 2 = 1 divided by 2

Term
Numerator
Definition
Top number in a fraction
Term
Denominator
Definition
Bottom number in a fraction
Term
Important way to think of a fraction...
Definition

Part/Whole

7/10 = 7 parts out of a total of 10 parts

Term
Logic for adding and subtracting fractions with the same demonitor
Definition

Add: Simply add the nemerators and place them over the common denominator

 

1/7 + 5/7 = (1+5)/7 = 6/7

Term
First thing you must do when adding or subtracting two or more fractions with different denominators
Definition
You must get them to all have the same denominator
Term
How do you make different denominators the same
Definition

Multiple the numerator and denominator of each fraction by a number that will give it a denominator in common with the others

 

1/2 + 2/3 =

1/2 * 3/3 + 2/3 * 2/2

3/6 + 4/6 = 7/6

Term
How to multiply fractions
Definition

Just multiply the numerators and put the product over the product of the denominators

 

2/3 * 6/5

Just multiple 2*6 = 12

3*5 = 15

12/15

Term
How do you reduce fractions?
Definition

Find a factor of both the numerator and the denominator.

 

12/15

4*3 = 12

5*3 = 15

Remove the number in common (3)

and you just reduced your fraction to 4/5

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