Find the sum of all numbers in the first 1000 integers, which are neither divisible by 5 nor by 2.

Find the sum of : the first 1000 positive integers

Find the sum of all natural numbers from 1 to 1000 which are not divisible by 5.

Find the sum of all odd numbers of four digits which are divisible by 9.

Find the sum of all numbers between 200 and 400 which are divisible by 7.

Two dice are thrown together. What is the probability that the sum of the numbers on the two faces is neither divisible by 3 nor by 5 ?

Find the sum of all natural numbers lying between 100 and 1000, which are multiples of 5.

Find the sum of first n natural numbers.

Find the sum of all the four digit numbers which are divisible by 29.