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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