MathRevolution wrote:
[GMAT math practice question]
If a and b are positive integers and a>b, is a/b an integer?
1) a is a multiple of 10
2) b is a multiple of 5
Given a>b
S1 - a can be 10,20,30...
Not sufficient
S2 - b is given , no info on a.
Not sufficient
Combining, a/b may or may not be an integer depending on b is multiple of 10 or of the form 5,15,25...
Not sufficient
Answer E
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