2025 CSAT, all questions
UPSC Prelims 2025 · CSAT
Question 80: Basic Numeracy
The difference between any two natural numbers is 10. What can be said about the natural numbers which are divisible by 5 and lie between these two numbers ?
aThere is only one such number.
bThere are only two such numbers.
cThere can be more than one such number.
dNo such number exists.
UPSC's 2025 key was reported published in May 2026, but no file was found on upsc.gov.in or in the Wayback Machine. The 2025 papers can be browsed, not scored.
Source: UPSC, Civil Services (Preliminary) Examination 2025, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.