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Senior | Next Rank: 100 Posts
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by Sandman » Fri Jul 18, 2008 9:05 pm
What is the sum of 5 evenly spaced integers in a set?

1. The median of the set of numbers is 0.
2. The range of the numbers in the set is 4.

Thanks.
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Source: — Data Sufficiency |
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by Mustang » Fri Jul 18, 2008 9:27 pm
I think the answer is C

2 confirms the the 5 numbers are consecutive
1 confirms that the middle number of the series is 0

Therefore using 1 and 2 we can say that the series is -2 -1 0 1 2
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by Sandman » Sat Jul 19, 2008 12:20 am
Ya Mustang..the answer to this one is C but im still confused..Shouldnt all series of evenly spaced number with odd number of terms (in this case 5 terms) with zero as the median have a sum of zero?? in that case A alone would sufficient to answer the question ...
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by reachac » Sat Jul 19, 2008 12:24 am
I agree it should be A
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by Mustang » Sat Jul 19, 2008 11:26 am
Yeah...I think you got me there....A seems more appropriate....moral of the story...never look at 2 before you look at 1...don't know why I did that
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by Sandman » Sat Jul 19, 2008 9:49 pm
The official answer provided to this question is C as well...thats why i got so confused..I guess the right answer is A..Thanks Mustang and reachac for the inputs.
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