They are 48, 96 and 192 because the numbers are being doubled after each other
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
36
36 72 66
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