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adMarketplace Account Manager Interview Question

I interviewed in New York, NY and was asked:
"What is the sum of the first 100 odd numbers."
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Part of a Account Manager Interview Review - one of 17 adMarketplace Interview Reviews

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10,000. First odd# is 1 and the 100th odd# is 199. 1+199=200. Next odd# is 3 and next to last odd# is 197. 3+197=200. So basically it's 50=200. (50 sets of numbers x 200 for each set) I did not know this during the interview but came up with my own manner of solving which the interviewer was okay with.

- Interview Candidate on Nov 14, 2011

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