The expression 'necessary evil' means that
A
evil is essential in studying the subject discussed
B
studying the subject is an unpleseant experience which must be endured
C
only those who are evil can understand the subject
D
those lacking in quantitative skills see the subject as an evil
Verified Correct Answer: B.
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #15292)