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1. |
A class has five sections that have 25, 30, 40, 45 and 60 students, respectively. The pass percentage of these sections are 20%, 30%, 35%, 40% and 100%, respectively. The pass percentage of the entire class is: |
A. | 87% |
B. | 79% |
C. | 63% |
D. | 53% |
Answer» E. | |