Integer vs Number

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tofubeans: Junior | Next Rank: 30 Posts; Posts: 13; Joined: Thu Apr 19, 2012 2:23 pm

by tofubeans » Sun Apr 29, 2012 10:51 am

Is there a difference when the GMAT talks about an integer in one problem and number in another problem?

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Source: Beat The GMAT — Data Sufficiency | Sun Apr 29, 2012 10:51 am

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Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pmFollowed by: 523 members; Location: Milpitas, CA; Thanked: 1854 times; GMAT Score:770

by Anurag@Gurome » Sun Apr 29, 2012 5:27 pm

tofubeans wrote:Is there a difference when the GMAT talks about an integer in one problem and number in another problem?

Integers are formed by the natural numbers (including 0) (0, 1, 2, 3, ...) together with the negatives of the non-zero natural numbers (âˆ’1, âˆ’2, âˆ’3, ...).

Numbers include integers as well fractions.

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transfer9858: Senior | Next Rank: 100 Posts; Posts: 95; Joined: Wed Aug 03, 2011 1:52 pmFollowed by: 2 members; Thanked: 16 times

by transfer9858 » Sun Apr 29, 2012 5:29 pm

If the problem doesn't say integer then you can't assume its an integer. But if the questions asks for all even multiples of 5 between..., then you know there going to be integers. You have to watch out more on data sufficiency; I think thats where they'll try to trap you more by assuming they mean an integer when they don't specify it.

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amit28it: Senior | Next Rank: 100 Posts; Posts: 82; Joined: Fri Nov 04, 2011 12:35 amFollowed by: 2 members

by amit28it » Thu May 03, 2012 11:20 pm

Integers include whole numbers and their opposites that is negative numbers and Numbers include integers and fractions as well.
math answers

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