In following question, there may be an error in one part of the sentence. That error part would be your answer. If there would be no error in the sentence, your answer would be ‘No error’.
He is trying to (A)/ acquire money (B)/ by writing books.(C) / No error (D)

Correct option is D

There is no error in the sentence.
Explanation: The sentence is grammatically correct. The verb "acquire" is appropriately used to indicate the act of obtaining money, and “by writing books” correctly introduces the method of acquisition.
Grammatical rule used:
The sentence follows correct infinitive verb structure: "try to + base verb" and "by + gerund" for showing method.
Rule in Hindi:
जब कोई व्यक्ति किसी कार्य को करने का प्रयास करता है, तो “try to + verb” का प्रयोग होता है। तरीका बताने के लिए “by + verb-ing” का प्रयोग किया जाता है।
Example:
· He is trying to learn Spanish by watching videos.