1997 General Studies, all questions
UPSC Prelims 1997 · General Studies
Question 148: Data Interpretation
A survey was conducted on a sample of 1000 persons with reference to their knowledge of English, French and German. The results of the survey are presented in the given Venn diagram. The ratio of the number of persons who do not know any of the three languages to those who know all the three languages is
a1/27
b1/25
c7/550
d175/1000
Our copy of this question lacks the diagram, so it can be read but not answered.
Source: UPSC, Civil Services (Preliminary) Examination 1997, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.