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by sampleresume » Wed Apr 16, 2008 6:58 am
I will go with 8
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by simplyjat » Wed Apr 16, 2008 9:35 am
The question is asking: what is the value of x such that 0.12 * x is an integer...
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by netigen » Wed Apr 16, 2008 12:29 pm
I think the answer is E

0.12 = 3/25

which means the remainder should be a multiple of 3 and the only ans choice that fulfills this condition is E

whats the OA
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by Stuart@KaplanGMAT » Wed Apr 16, 2008 12:36 pm
simplyjat wrote:The question is asking: what is the value of x such that 0.12 * x is an integer...
.12 = 3/25. None of the answers are integers when multiplied by 3/25.

Where exactly is this question from? I can't find it in the OG (11th ed).
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QED

by anshul265 » Wed Apr 16, 2008 2:57 pm
Given: s/t=64.12

we can write this as 6412/100
or 1603/25 (divide numerator and denominator by 4)


't' is a positive integer, so it has to be 25 or a multiple of 25.
similarly, 's' has to 1603 or its multiple.

The remainder of 1603/25 is 3. So, for any other multiple of 1603/25, the remainder will be a multiple of 3.

From the given choices, only E is divisible by 3. Thus, E is the answer.
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by vinviper1 » Fri Apr 18, 2008 10:26 am
Thsi was from GMAT Preptests.

FYI - I hide the answer as a spoiler so you can just put your cursor over the black box to see the answer. It encourges you to actually go through with it! Thanks all!
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