2011 CSAT, all questions
UPSC Prelims 2011 · CSAT
Question 49: Basic Numeracy
A student on her first 3 tests received an average score of N points. If she exceeds her previous average score by 20 points on her fourth test, then what is the average score for the first 4 tests ?
aN + 20
bN + 10
cN + 4
dN + 5
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.