Correct option is D
The correct one-word for the given group of words
"A room or building with equipment for doing physical exercise" is
gymnasium.
·
Gymnasium refers to a facility equipped for physical exercise, encompassing various equipment and space for training and workouts. (व्यायामशाला)
· Example: The new gymnasium at the community center is equipped with state-of-the-art fitness machines.
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Meanings of the given other options:
·
dormitory: A large bedroom for a number of people in a school or institution.
·
convent: A Christian community, especially of nuns.
·
infirmary: A place in a large institution for the care of those who are ill.