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
0.2222
27 divided by 4 is 6 with remainder 3