He is proficient ____ mathematics.
- of
- in
- with
- at
Explanation
When describing proficiency or skill in a subject, the preposition "in" is generally used.
For example, "He is proficient in mathematics"
Related MCQs
- With
- At
- To
- On
اس سوال کو وضاحت کے ساتھ پڑھیں
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