Q933
Silence in this place is mandatory.
A.
optional
AnswerB.
compulsory
C.
imperative
D.
irritating
Answer: Option A
Solution
Answer: Option A
Solution:
Mandatory : required by law or mandate; compulsory.Optional : available to be chosen but not obligatory.
Compulsory : required by law or a rule; obligatory.
Imperative : of vital importance; crucial.
Irritating : causing annoyance, impatience, or mild anger.
Antonym of Mandatory is Optional