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4 votes
What is the sum of the first 10000 numbers?

User Abolfazl
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2 Answers

5 votes
(10000+1) * (10000/2) = 50,005,000
User Maciej S
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4 votes

sum = 10000(10000-1)/2

sum = 10000(100001)/2

sum = 100010000/2

sum = 50,005,000

User Mahmoud Samy
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