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GMAT Quant Memory Items
Important memorization items for the GMAT quantitative section.
56
Mathematics
Not Applicable
01/29/2011
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Term
1/8
 Definition
.125
Term
1/6
 Definition
.166667
Term
2/3
 Definition
.666667
Term
What is the commutative property of numbers?
 Definition
If the numbers/terms can be re-ordered in any way without changing the value of the expression.
Term
What is the associative property?
 Definition
Re-grouping terms in an expression does not change the overall value of the expression.
Term
3/8
 Definition
.375
Term
5/8
 Definition
.625
Term
7/8
 Definition
.875
Term
4/6
 Definition
.66667
Term
5/6
 Definition
.83333
Term
6/8
 Definition
.75
Term
7^2
 Definition
49
Term
8^2
 Definition
64
Term
11^2
 Definition
121
Term
12^2
 Definition
144
Term
13^2
 Definition
169
Term
14^2
 Definition
196
Term
15^2
 Definition
225
Term
16^2
 Definition
256
Term
17^2
 Definition
289
Term
18^2
 Definition
324
Term
18^2
 Definition
361
Term
20^2
 Definition
400
Term
2^4
 Definition
16
Term
2^5
 Definition
32
Term
2^6
 Definition
64
Term
2^7
 Definition
128
Term
2^8
 Definition
256
Term
2^9
 Definition
512
Term
2^10
 Definition
1024
Term
3^3
 Definition
27
Term
3^4
 Definition
81
Term
4^3
 Definition
64
Term
4^2
 Definition
16
Term
4^4
 Definition
256
Term
5^3
 Definition
125
Term
5^4
 Definition
625
Term
An integer is divisible by 2 if:
 Definition
It is even
Term
An integer is divisible by 3 if:
 Definition
The sum of its digits is a multiple of 3
Term
An integer is divisible by 4 if:
 Definition
Its last two digits are divisible by 4.
Term
An integer is divisible by 6 if:
 Definition
It is divisible by both 2 and 3
Term
An integer is divisible by 8 if:
 Definition
It can be divided evenly by 2 three times.
Term
An integer is divisble by 9 if:
 Definition
The sum of its digits are a multiple of 9
Term
An integer is divisible by 12 if:
 Definition
It is divisble by both 3 and 4
Term
What are the prime numbers in the set 0-30?
 Definition
2, 5, 7, 11, 13, 17, 19, 23, 29
Term
What are the prime numbers in the set 30-100?
 Definition
31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Term
a^m x b^m =
 Definition
(ab)^m
Term
(a^m)^n =
 Definition
a^mn
Term
0! =
 Definition
1
Term
1! =
 Definition
1
Term
2! = 2
 Definition
Term
3! =
 Definition
6
Term
4! =
 Definition
24
Term
5! =
 Definition
120
Term
6! =
 Definition
720
Term
Two most common Pythagorean triples
 Definition
3-4-5
5-12-13
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