Question

Find the sum of all natural number between 200 and 300 which are exactly divisible by 6​

Answer 1

Answer:

4032

Step-by-step explanation:

a= 204  $a_{n}$= 300 n = ? d=6

$a_{n}$= a+(n-1)d

300=204+(n-1)6

∴ n= 16

sₙ= n/2(a + aₙ)

  = 16/2(204+300)

  =8(504)

  =4032