The correct option is B 6, 12
Multiple of a number is a number that may be divided by another, a certain number of times without a remainder.
Multiples of 6 are as follows:
6×1=6
6×2=12
6×3=18
6×4=24
6×5=30
6×6=36
So, 6 and 12 are the multiples of 6.