2011 CSAT, all questionsPassage · as printed by UPSC 
UPSC Prelims 2011 · CSAT
Question 61: Data Interpretation

How many males were undecided ?
a31
b227
c426
d581
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.