SOLUTION: Find the sum of positive integers between 100 and 999 inclusive which are odd.

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Question 1190792: Find the sum of positive integers between 100 and 999 inclusive which are odd.
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
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Find the sum of positive integers between 100 and 999 inclusive which are odd.
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First term is 101.  The last term is 999.


Their average is   =  = 550.


The number of terms is   =  = 450.


The sum is  S =  = 550*450 = 247500.    ANSWER

Solved.

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    - Word problems on arithmetic progressions
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