Sum of integers from 1 to 100 that are divisible by 2 is a, by 5 is b and by both 2 and 5 is c. Find the sum of integers which are divisible 2 or 5.
Find the sum of
(i) all integers between 100 and 550, which are divisible by 9. (ii) all integers between 100 and 550 which are not divisible by 9. (iii) all integers between 1 and 500 which are multiples of 2 as well as of 5. (iv) all integers from 1 to 500 which are multiplies 2 as well as of 5. (v) all integers from 1 to 500 which are multiples of 2 or 5.