Verified Answer :

B makes the most sense because its not 1/2 and its not 1/20 and it leaves B or D and 17/30 is more then half so it can not be D.

AL2006


No choice on the list
is reasonably close to the correct answer.

The question is the
same as asking "How much of the whole circle has
black polka-dots in it
?"

The sections of the circle aren't labeled, but we can see that the
polka-dot
section is a little more than 1/4 of the circle ... maybe 30%
of it ... so the
probability is a little more than 1/4 and close to 30%.


The choices are:  A). 50%. ... B). 20%. ... C). 5%. ... D). 56.7%.

Choice B). is the closest, but that's only because the others are even
more absurd. It's not saying much for B).