Which of the following are multiples of 0.04?
1.2
0.08
0.16
A multiple of a number is divisible by that number leaving a zero remainder and an integer quotient.
1.20.04=30
0.080.04=2
0.060.04=1.5, which is not an integer and hence 0.06 is not a multiple of 0.04
0.160.04=4