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Calculate the sum of the first 100 numbers. (Try to find the shortest way.)


User IndigoFire
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1 Answer

1 vote

Answer:

The number series 1, 2, 3, 4, . . . . , 99, 100. Therefore, 5,050 is the sum of positive integers upto 100.

Explanation:

The sum of the numbers 1-100 would be equal to the number of pairs (50) multiplied by the sum of each pair (101), or 50 x 101 = 5,050.

User Maurobio
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