2025 CSAT, all questions
UPSC Prelims 2025 · CSAT
Question 28: Basic Numeracy
There are n sets of numbers each having only three positive integers with LCM equal to 1001 and HCF equal to 1. What is the value of n ?
a6
b7
c8
dMore than 8
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.