Find the sum of all natural numbers from 1 to 1000

- Find the sum of all natural numbers from 1 to 1000 which are not divisible by 5
- Find the sum of all natural numbers from 1 to 1000 which are neither divisible 2 nor by 5
- Find the sum of all even natural numbers from 1 to 1000
- Sum of first n natural numbers
- Find the sum of infinite series
- Natural sonlar ustida amallar 2 qism