Refer to the following pie charts and answer the questions given below
The chart above shows the distribution of coal production in a certain country. The chart on the left shows the percentage of hard and soft coal, and that on the right shows the distribution of grades of hard coal. What percent of the total production was grade B hard coal?
A. | 14% |
B. | 21% |
C. | 28% |
D. | 34% |
Option: C Explanation : Click on Discuss to view users comments. |