g_Math2
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Author:
Anonymous
ID:
16577
Filename:
g_Math2
Updated:
2010-04-28 00:48:04
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Description:
GMAT Math2
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2 / 5 is what in decimal?
0.4
3 / 5 is what in decimal?
0.6
4 / 5 is what in decimal?
0.8
1 / 6 is what in decimal?
0.166
1 / 8 is what in decimal?
0.125
Standard deviation percentages ?
34 : 14 : 2
What to do when stuck with ratios?
Make a ratio box
:
men
women total
Ratio
2
3
5
Multiply by
7
7
7
Actual #
14
21
35
The integer trap
Don't assume numbers are integers unless the problem tells you so
The Variables trap
Don't assume you need to find values for all the variables in the problem. TRY SIMPLIFYING BEFORE READING STMTS
The Statements Trap
Forget about statement I when you consider statement II
The Diagram trap
Don'to assume a diagram looks a certain way unless the problem tells you so