Find the sum of all numbers from 50 to 250 which are divisible by 6 and find `t_(13)`.

Find the sum of all numbers from 150 to 200 which are divisible by 7.

Find the sum of all numbers from 1 to 140 which are divisible by 4.

Find the sum of all numbers from 50 to 350 which are divisible by 6. Hence find the 15^("th") term of that A.P.

Find the sum of all numbers from 50 to 350 which are divisible by 4. Also find 15^(th) term.

Find the sum of natural numbers from 1 to 140 which are divisible by 4 .

Find the sum of all natural numbers from 1 to 140 which are divisible by 4.

Find the sum of the numbers from 1 to 100 which are not divisible by 3 and 5.

Find the sum of all integers from 200 to 400 which are not divisible by 7

Find the sum of all natural numbers below 500 which are divisible by 8.