Solved UPSC CDS/OTA Question
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Q · PrepositionEasy · 45s
Directions:- Find out the Error in each of the following sentences, if any. If there is no Error, your answer is “D” The professor had been associated with (A) the prestigious institution since decades (B) before his retirement. (C) No error (D)
TopicPreposition
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Use ‘since’ instead of ‘for’ after 'associated'.
Final Answer: Option C - before his retirement.