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Earn +20 ptsQ: What is the sum of the first 15 Numbers?
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What is the sum of the first fifteen odd numbers?
The sum of the first 15 odd numbers is 225.
What is the sum of the first five whole numbers?
The sum of the first five whole numbers is 10.
What is the sum of the first 5 counting numbers?
1+1+1+1+1+=5 * * * * * The question did not ask for the sum of the first counting number five times! The sum of the first 5 counting numbers is 1+2+3+4+5 = 15. Such sums are known as triangular numbers.
What is the sum of the first 50 numbers?
The sum of the first 50 whole numbers is 1,225.
Sum of first 1000 numbers?
The sum of the first 1,000 whole numbers is 499,500.
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