At a college, there are from 2 to 5 introductory English classes each semester, and each of these classes has from 20 to 30 students enrolled. If in one semester 12% of these students enrolled in introductory English fails, what is the greatest possible number of students who failed?

A 12
B 15
C 16
D 180

Correct Answer: 12

Maximum students enrollment possible = 5×30 = 150 Maximum possible number of students failed = 12% of 150 = 12/100×150 = 18
Bissoy MCQ
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