Select the most appropriate synonym of the highlighted word.
The scientist's research was perplexing to many people.

Correct option is C

The correct synonym of the word perplexing is confusing.
· Given word: Perplexing
Meaning: Causing confusion or difficulty in understanding.
Hindi meaning: उलझन में डालने वाला, भ्रमित करने वाला
Example: The instructions were so perplexing that no one could follow them correctly.
· Correct answer word: Confusing
Meaning: Not easy to understand; unclear.
Example: The map was confusing, and we got lost.
· Synonyms: puzzling, baffling, complex.
· Antonyms: clear, straightforward, simple.
Meanings of the other options:
· (a) Helpful
English: Providing assistance or support. Not related to confusion.
Hindi: सहायक – मदद करने वाला, उलझन से संबंधित नहीं है।
· (b) Exciting
English: Causing enthusiasm or interest. It’s a positive term and doesn’t convey confusion.
Hindi: रोमांचक – उत्साहजनक, उलझन से संबंधित नहीं।
· (d) Clear
English: Easy to understand or see. It is the opposite of "perplexing."
Hindi: स्पष्ट – उलझन का विलोम (antonym)।