Question

find the sum of all three digit natural numbers, which are divisible by 3 and not divisible by 6.

Answer 1

the answer is here
////////////////////////////////////////////////////////////////////////
444/3=148
444/6=78
hope it's help you
thx

Answer 2

The three digit natural numbers which are divisible by 3 and not divisibleby 6 are 333,999 and 243.
Their sum=
$333 + 999 + 243 = 1575$