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Stupid Ques--Is 0 divisible by 5 according to the GMAT?

Problem Solving — algebra and arithmetic
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Newbie | Next Rank: 10 Posts
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by LB20 » Fri Jul 03, 2009 11:06 am
Since 0/5=0 (or zero divided by any number for that matter), is 0 considered a multiple of 5? Does the GMAT consider 0 to be a # divisible by 5?
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Source: — Quantitative Reasoning |

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by Ian Stewart » Fri Jul 03, 2009 12:52 pm
Yes, 0 is a multiple of every positive integer, and is divisible by every positive integer. That's true in real math, and in GMAT math as well, though almost every divisibility question on the GMAT is restricted to positive integers only.
For online GMAT math tutoring, or to buy my higher-level Quant books and problem sets, contact me at ianstewartgmat at gmail.com

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