The sum of the first $1000$ positive integer is

500500

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650650

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300300

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700700

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Solution

The correct option is B $500500$
Sum of ' $n$ ' natural numbers $=$ $\frac{n (n + 1)}{2}$ .
So, sum of first $1000$ natural numbers $=$ $\frac{1000 (1000 + 1)}{2} = 500 (1001) = 500500$ .
Hence, option A is correct.

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Similar questions

The sum of the first 1000 positive integers is ___.

Find the sum of :
(i) the first 1000 positive integers

(ii) the first n positive integers

1000

CI	0-100	100-200	200-300	300-400	400-500	500-600	600-700	700-800	800-900	900-1000
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