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Number System 2

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by ranjeet75 » Fri Feb 03, 2012 9:15 pm
List K consists of 12 consecutive integers, if -4 is the least integer in list K, what is the range of the positive integers in the list K?

some person taken the series as -4,-3,-2,.......,6,7 and got the answer, Range of positive integer = (7-1)

but i have a question that the consecutive integers may be
-4,-2,0,2,4,,....
or, -4,-1,2,5,,8,.......
etc
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Source: — Data Sufficiency |

by Anurag@Gurome » Fri Feb 03, 2012 9:20 pm
ranjeet75 wrote:List K consists of 12 consecutive integers, if -4 is the least integer in list K, what is the range of the positive integers in the list K?

some person taken the series as -4,-3,-2,.......,6,7 and got the answer, Range of positive integer = (7-1)

but i have a question that the consecutive integers may be
-4,-2,0,2,4,,....
or, -4,-1,2,5,,8,.......
etc
Consecutive integers are integers that follow each other in order. They have a difference of 1 between every two numbers.

-4,-2,0,2,4,,.... are consecutive even integers. Even consecutive integers are even integers that follow each other. It is mentioned in the question that they are just consecutive integers.
Anurag Mairal, Ph.D., MBA
GMAT Expert, Admissions and Career Guidance
Gurome, Inc.
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