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The sume of the first 50 positive even integers is 2,550.

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Intern
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Joined: 23 May 2008
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The sume of the first 50 positive even integers is 2,550. [#permalink]

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New post 05 Dec 2008, 20:27
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The sume of the first 50 positive even integers is 2,550. What is the sum of the even integers from 102 to 200, inclusive? (GMAT practice test)

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Re: This is a good one... [#permalink]

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New post 05 Dec 2008, 20:50
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Sorry forgot to give the explanation

sum of even numbers from 102 to 200 is similar to sum of even integer from 2 to 100 if you take 100 common

so we have 50 hundreds in between 102 -- 200 and rest is sum of even from 2 to 100

so 5000 + 2550

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Re: This is a good one...   [#permalink] 05 Dec 2008, 20:50
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The sume of the first 50 positive even integers is 2,550.

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