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WBCS Preliminary Examination 2021 — General Studies · Question 22 of 200

Q22
EnglishParts of Speech
Which is the correct sentence?
  1. a.An one-eyed person was seen roaming about the streets.
  2. b.A one-eyed person was seen roaming about the streets.
  3. c.The one eyed person was seen roaming about the streets.
  4. d.One-eyed person was seen roaming about the streets.

Answer: (B) A one-eyed person was seen roaming about the streets.

The choice between 'a' and 'an' depends on sound, not spelling. 'One' begins with the consonant sound /w/ ('wun'), so it takes 'a': a one-eyed person, a one-rupee note, a university, a European. Conversely, words beginning with a vowel sound take 'an': an hour, an honest man, an MLA, an heir. A singular countable noun cannot stand without an article, so (D) is wrong, and (C) drops the hyphen of the compound adjective and uses 'the' for a first mention.