Task: Question Answering
Input (English): Problem: 3 sets of 40, 50 and 60 students appeared for an examination and the pass percentage was 100, 90 and 80 respectively. the pass percentage of the whole set is
Options: a. 88.33, b. 84.33, c. 88.66, d. 84.66, e. none of these
Output (English): c