2011 CSAT, all questions
UPSC Prelims 2011 · CSAT
Question 50: Basic Numeracy
In a group of persons, 70% of the persons are male and 30% of the persons are married. If two-sevenths of the males are married, what fraction of the females is single ?
a2/7
b1/3
c3/7
d2/3
UPSC published no Prelims answer keys before 2012.
Source: UPSC, Civil Services (Preliminary) Examination 2011, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.