Select the most appropriate preposition to fill in the blank. Although he is physically challenged, he is very fast ____ calculations.
Select the most appropriate preposition to fill in the blank. Although he is physically challenged, he is very fast ____ calculations.
- (अ)1. at✓ योग्य उत्तर
- (ब)2. on
- (क)3. about
- (ड)4. in