Question

1 se 1000 Tak plus karne par Kitna ank aaega​

Answer 1

Step-by-step explanation:

1 se 1000 Tak plus karne par Kitna ank aaega

1001 number

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Answer 2

here we use the formula n/2*n+1

where n= numbers means from 1 to 1000

therefore 1000/2*1000+1

= 500*1001

= 500500

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