Choose an Antonym of "Whimsical"-

Correct answer: reasonable.

Whimsical (adjective)
- English Meaning: Unusual and strange in a way that might be funny or annoying.
- Bangla Meaning: বাতিকগ্রস্ত; খেয়ালি; অদ্ভুত।

Reasonable (adjective)
- English meaning: being in accordance with reason
- Bangla meaning: যুক্তিসম্মত; যুক্তিবাদী।

Other options:
ক) Eccentric
- English meaning: departing from what is usual, conventional, etc.:
- Bangla meaning: খামখেয়ালী।

গ) Capricious
- English meaning: governed or characterized by sudden, irrational, and unpredictable impulses or whims: impulsive.
- Bangla meaning: চাপল্য; অস্থিরচিত্ততা।

ঘ) Impulsive
- English meaning: acting momentarily.
- Bangla meaning: আবেগপ্রবৃত্ত; আবেগতাড়িত।

Source:
1. Accessible Dictionary by Bangla Academy.
2. Merriam-Webster Dictionary.