2025 CSAT, all questions

UPSC Prelims 2025 · CSAT

Question 15: Logical Reasoning and Mental Ability

A solid cube is painted yellow on all its faces. The cube is then cut into 60 smaller but equal pieces by making the minimum number of cuts. Which of the following statements is/are correct ?

  1. IThe minimum number of cuts is 9.
  2. IIThe number of smaller pieces which are not painted on any face is 6.

Select the correct answer using the code given below :

aI only
bII only
cBoth I and II
dNeither I nor II

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.

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Source: UPSC, Civil Services (Preliminary) Examination 2025, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.