2004 General Studies, all questions
UPSC Prelims 2004 · General Studies
Question 136: Basic Numeracy
How many three-digit even numbers are there such that 9 comes as a succeeding digit in any number only when 7 is the preceding digit, and 7 is the preceding digit only when 9 is the succeeding digit?
a120
b210
c365
d405
The published answer to this question looks wrong to us, so none is shown until it has been checked.
Source: UPSC, Civil Services (Preliminary) Examination 2004, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.