Answer:
Option B: 3:8 is the right answer.
Step-by-step explanation:
Given that:
There are a total of eight circles.
The number of black circles is three.
Ratio is defined as quantitative relationship between two quantities.
As the statement demands ratio of black circles to total number of circles,therefore,
Ratio of black circles to total circles is 3:8
Hence,
Option B: 3:8 is the right answer.
