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# What is the sum of 5 evenly spaced integers? 1) Middle

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Senior Manager
Joined: 05 Aug 2005
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What is the sum of 5 evenly spaced integers? 1) Middle [#permalink]  21 Oct 2005, 18:24
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What is the sum of 5 evenly spaced integers?

1) Middle integer is zero.

2) Exactly 2 of the integers are negative
Senior Manager
Joined: 30 Oct 2004
Posts: 287
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Kudos [?]: 11 [0], given: 0

A?

1) Suff... numbers evenly spaced from 0 on both sides will cancel out.
2) Insuff ... e.g. -5,-2,1,4,7 are evenly spaced (by 3). And -6,-3,0,3,6 are also evenly spaced by 3. Sum in both cases is different.
_________________

-Vikram

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