Fill in the blank with the correct preposition.
Ramesh's mind was attuned __________his work.

to

The correct preposition to fill in the blank is to. The preposition to is used to indicate direction or purpose. In this case, Ramesh's mind was attuned to his work, which means that he was focused and concentrated on his work.

The other options are incorrect.

• On is used to indicate location or position.
• At is used to indicate a specific point or place.
• With is used to indicate association or cooperation.