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What is the sum of the numbers from 1 to 100?
Given :
The numbers are from 1 to 100.
To do :
We have to find the sum of the numbers from 1 to 100.
Solution :
Sum of n natural numbers is given by $\frac{n(n+1)}{2}$.
Therefore,
Sum of the numbers from 1 to 100 $= \frac{100(100+1)}{2}$
$= 50 \times 101$
$= 5050$.
Therefore, the sum of the numbers from 1 to 100 is 5050.
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