A candidate sits an exam with 40 questions. To pass, the candidate must answer at least 25 questions correctly. To gain a distinction, a mark of 32 or above must be achieved.
Which of these groups of exam scores would fall into three different equivalence classes?
A . 32, 36, 40
B . 0, 27, 36
C . 0, 24, 32
D . 25, 32, 40
Answer: B