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17 Aug 2011, 07:47
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Hi
Please can someone explaine to me the next
0 in GMAT is even/negative or just 0.
Thanks
Please can someone explaine to me the next
0 in GMAT is even/negative or just 0.
Thanks
Archived Topic
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WishMasterUA
0 is even number.
o is neutral-Not negative Nor positive.
allways remember not to divide in 0
0^0 is not defined in the Gmat, but 0/X is 0.
1^0, 2^0 etc... is 1
o^1 'o^2 etc.. is 0.
O! is 1
when considering factors allways include 0=Means that 0 is divisible by all numbers without any remainder.
Non Zero integers means positive/negative but not 0.
when x^3=x^2 allways rmember to make it x^3-x^2=0 so x=0 or x=1.
in DS (and thank's to my 40% in the excellent GMAT-TOOLKIT which includes tens of questions in which not considering o will bring lot of pain ) allways remember to consider 0 when picking numbers.
i.e is X positive? let's say you picked negative/positive No. in S1 and it's positive you must consider a situation in which x will be zero to deny suffiiency.Be aware in X^Y questions type to values when x or y are 0.
hope it helped and if i forgot something else or got something wrong, i hope others will complete/correct.
17 Aug 2011, 23:25
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WishMasterUA
As far as GMAT goes,... -6, -4, -2, 0, 2, 4, 6... etc are all even.
0 is neither negative nor positive.
When you say positive integers, you are not including 0.
When you say negative integers, you are again not including 0.
When you say non-negative integers, it means you are talking about 0 and positive integers.
