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WBCS Main Examination 2023 — Paper VI: Arithmetic and Test of Reasoning · Question 116 of 200

Q116
ReasoningVenn Diagrams & Set Theory
Direction: The diagram shows the survey on a sample of 500 persons with respect to their knowledge of Bengali, Hindi and English. How many persons know all the three Languages?
  1. a.65
  2. b.62
  3. c.53
  4. d.47

Answer: (C) 53

Persons who know all three languages are in the central region common to the three circles, which shows 53. 65, 62 and 47 are the regions common to only two languages (Hindi–Bengali, Bengali–English and Hindi–English).

Q115 Whole paperQ117
Direction: The diagram shows the survey on a sample of 500 persons … — WBCS Main Examination 2023 Q116 | Prostuti360°