• The antonym of Quandary is Certainty.
Quandary
English Meaning: A state of uncertainty or confusion over what to do in a difficult situation.
Bangla Meaning: দ্বিধা; কিংকর্তব্যবিমূঢ়তা।
Certainty
English Meaning: A firm conviction that something is the case; sureness.
Bangla Meaning: নিশ্চয়তা; সংশয়মুক্ত অবস্থা।
Meaning of other words in options:
• Dilemma- Meaning: State of uncertainty or perplexity especially as requiring a choice between equally unfavorable options; উভয়সংকট।
• Confusion- Meaning: Lack of clarity; state of being mixed up or puzzled; বিভ্রান্তি; কিংকর্তব্যবিমূঢ় অবস্থা।
Source: Accessible Dictionary by Bangla Academy, Merriam-Webster Dictionary.