6.75
27
9, 18, 27, 36, 45 . . . . .
The sum of digits: 4 + 3 + 5 = 12 12 can be divided equally by 3, so 435 can be divided equally as well.
6.75
6.75
6.75
0.1481
1, 3, 9, 27, 37, 111, 333, 999.
Yes. Because 81 can be equally divided by 3. 81/3+27
12 &24
27 divided by 4 is 6 with remainder 3
0.2222