The number divisible by 4 and less than 200 are: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 188, 192, 196, 200.
A) 4, but not divisible by 12.
The numbers are 4, 8, 16, 20, 28, 32, 40, 44, 52, 56, 64, 68, 76, 80, 88, 92, 100, 104, 112, 116, 124, 128, 136, 140, 148, 152, 160, 164, 172, 176, 188, 196, 200.
B) 4, but not divisible by 3.
The numbers are 4, 8, 16, 20, 28, 32, 40, 44, 52, 56, 64, 68, 76, 80, 88, 92, 100, 104, 112, 116, 124, 128, 136, 140, 148, 152, 160, 164, 172, 176, 188, 196, 200.
C) 6, but not divisible by 5
The numbers are 12, 18, 24, 36, 42, 48, 54, 66, 72, 78, 84, 96, 102, 108, 114 126, 132, 138, 144, 156, 162, 168, 174, 186, 192, 198.
D) both 6 and 9.
18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198.