The sum of the first n counting numbers is 2013 but wait that is impossible one of th [Archive]

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Bluesmoods

Oct 27, 2013, 05:58 PM

the sum of the first n counting numbers is 2013 but wait that is impossible one of those counting numbers must not have been included in the sum. Which one?

ebaines

Oct 28, 2013, 05:43 AM

Bluesmoods: do you know the formula for the sum of the first N counting numbers? If you apply it you can get an estimate for N pretty easily.