2011 CSAT, all questions

UPSC Prelims 2011 · CSAT

Question 42: Basic Numeracy

There are 100 students in a particular class. 60% students play cricket, 30% student play football and 10% students play both the games. What is the number of students who play neither cricket nor football ?

a25
b20
c18
d15

UPSC published no Prelims answer keys before 2012.

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Source: UPSC, Civil Services (Preliminary) Examination 2011, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.