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WBCS Preliminary Examination 2022 — General Studies · Question 4 of 200

Q4
EnglishParts of Speech
Which one is the plural number?
  1. a.Index
  2. b.Alumni
  3. c.Hypothesis
  4. d.Analysis

Answer: (B) Alumni

'Alumni' is the Latin plural of 'alumnus' (male former student) or 'alumna' (female). 'Index', 'Hypothesis', and 'Analysis' are all singular forms; their plurals are 'indices/indexes', 'hypotheses', and 'analyses' respectively.