They are 48, 96 and 192 because the numbers are being doubled after each other
33
+3, +6, +9, +12 and so on.
108
31
29
18
6, 12, 18, 24, 30,
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90.
A. 12 and 18
3, 6, 9, 12, 15, 18 4, 8, 12, 16, 20, 24 6, 12, 18, 24, 30, 36 Common multiples include 12, 24, 36, 48, 60, 72
The hcf is 12
54
The next two numbers are 26 & 78.
24
24
24
36
36
(6), 12, 18, 24
21-3=18 18/2=9 9*3=27 that is the pattern so after the 36 it should be 33
36
36 72 66
12 11 18 14 24 17 30 20.. i think ;-) pattern: 18-12 = 6 14-11 = 3 24-18 = 6 17-14 = 3 i hope that helps.