Select the most appropriate synonym of the highlighted word in the following sentence.
My parents decided to sell the obsolete machinery lying in the farm and renovate the place.

Correct option is B

The correct synonym of the given word is (b) outdated.
Obsolete means no longer used because something newer and better has been invented; it is old-fashioned and out of use now. The machinery is described as no longer useful, so outdated matches perfectly. (Hindi meaning: अप्रचलित / पुराना पड़ चुका)
Example: Typewriters have become obsolete after computers became common.
Outdated means old-fashioned; not in use anymore because it has been replaced by something modern. (Hindi meaning: पुराना / समय के अनुसार नहीं)
Example: The office replaced its outdated computers with new ones.
Synonyms: outdated, outmoded, antiquated, archaic.
Antonyms: modern, current, up-to-date, new.
Meanings of all the other given options:
· (a) Expensive – costly (महँगा)
· (c) Overweight – too heavy/fat (अधिक वज़न वाला)
· (d) Corroded – rusted/decayed due to chemical action (जंग लगा हुआ / क्षयग्रस्त)