Find the sum of odd integers from 1 to 2001.

(i) Find the sum of odd integers from 1to 2001. (ii) Find the sum of all natural numbers between 99 and 1001, which are multiples of 5.

Find the sum of odd integers from 1 to 101

Find the sum of odd intergers from 1 to 201.

Find the sum of all odd integers from 1 to 201.

Find the sum of all odd integers from 1 to 1001.

Find the sum of all integers from 1to 1001.

Find the sum of odd numbers from 1 to 31.

Find the sum of integers from 1 to 100 that are divisible by 2 or 5.