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Quantitative
Q# / Time
Verbal
Q# / Time
Data Sufficiency Question order
Data Sufficiency Choice Elimination
Good numbers to plugin
Things to consider in Geometry Q's
When the two statements in a data sufficiency question provide identical info...
Dividing and multiplying by 5
The Half and Double trick when multiplying big numbers
Add or subtract 2 or 3 digit numbers trick
Multiply numbers between 11 & 19
Square any number between 11 & 99 trick
Estimated values of Root 2 and Root 3
Definition of Real numbers and Integers
Fractions with bigger denominators
Fractions with bigger numerators
1
---
a
-
b
equals
1/2
1/3
1/4
1/5
1/6
1/7
1/8
1/9
What is 40% of 90?
15% of what number is 60?
120 is what % of 80?
Finding percent of change
2^1
2^2
2^3
2^4
2^5
2^6
2^7
3^1
3^2
3^3
3^4
4^1
4^2
4^3
5^1
5^2
5^3
5^4
Squaring integers ending in "5"
Units digits in large exponents
Sq. root of 2
Sq. root of 3
Sq. root of 5
If 0 < X < 1
If X > 1
Products of Roots and Roots of Products
Quotients of Roots and Roots of Quotients
Addition and Subtraction of Roots
Multiplying Roots
X^a/b
If b^x = b^y
Fraction that is a terminating decimal
Two cases you get an odd
Classic Quadratics
(a^2 - b^2)
(a + b)^2
(a - b)^2
Divisible by 3
Divisible by 4
Divisible by 7
Divisible by 8
Divisible by 9
Divisible by 11
Divisible by 6
Divisible by 44
Average of a consecutive sequence or evenly spaced sequence equals
Sum of values of a sequence equals
In a sequence of consecutive or evenly spaced integers the mean equals
nCk
n choose k
nPk
To find the probability that one OR another of two mutually exclusive events will occur:
To find the probability that one AND another of two independent events will occur:
Rate
Speed
Average
Combined Rates and work
Rate =
Combined worked formula for two workers
Combined work formula for more than 2 workers
Evidence Keywords
Conclusion Keywords
Correct:
Regarded as
Considered
Credited with
Believe it to be
Estimated to be
Decide whether
Forbidden to enter
Significant as to
Which always must be:
He demanded that the door be opened
If I were rich, I would quit my job
