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UPSC CSAT 2026 Question Paper & Answers

The official UPSC CSAT 2026 question paper, with the official answer key. Attempt as a real timed exam (with negative marking) or switch to practice mode for instant per-question answers and explanations.

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Official PYQ

UPSC CSE Prelims 2026 - CSAT (General Studies Paper II)

120 Mins 200 Marks
80Questions
200Max Marks

Sample questions from UPSC CSE Prelims 2026 - CSAT (General Studies Paper II)

1Question: X receives three coins of different denominations: 1, 2, 5, 10 and 20. If the total amount received by X is m, does X receive a coin of denomination 5? Statement I: m is not a prime number. Statement II: The sum of the digits of m is greater than 5.
  • A) if the question can be answered using one of the statements alone, but cannot be answered using the other statement
  • B) if the question can be answered using either statement alone
  • C) if the question can be answered using both statements together, but cannot be answered using either statement alone
  • D) if the question cannot be answered even using both statements together
Answer: A
2Question: For two distinct real numbers x and y, which of them is bigger? Statement I: x2x^2 < y < 1 Statement II: y < sqrt(x) < 1
  • A) if the question can be answered using one of the statements alone, but cannot be answered using the other statement
  • B) if the question can be answered using either statement alone
  • C) if the question can be answered using both statements together, but cannot be answered using either statement alone
  • D) if the question cannot be answered even using both statements together
Answer: D
3Question: If x and y are integers, then is x even? Statement I: x2x^2 y2y^2 is even. Statement II: 1+x2+y21 + x^2 + y^2 is odd.
  • A) if the question can be answered using one of the statements alone, but cannot be answered using the other statement
  • B) if the question can be answered using either statement alone
  • C) if the question can be answered using both statements together, but cannot be answered using either statement alone
  • D) if the question cannot be answered even using both statements together
Answer: C
4Question: X is a collection of certain odd numbers whereas Y is a collection of certain even numbers. T consists of the numbers all of which are either from X or from Y. Is every number of T from Y? Statement I: The sum of any two numbers belonging to T is even. Statement II: If both p and q are picked from T, then (p−1p-1)q is even.
  • A) if the question can be answered using one of the statements alone, but cannot be answered using the other statement
  • B) if the question can be answered using either statement alone
  • C) if the question can be answered using both statements together, but cannot be answered using either statement alone
  • D) if the question cannot be answered even using both statements together
Answer: D
5Question: If x, y and z are integers, each greater than 1, then is x a prime number? Statement I: xy2=116xy^2 = 116 Statement II: xz=261xz = 261
  • A) if the question can be answered using one of the statements alone, but cannot be answered using the other statement
  • B) if the question can be answered using either statement alone
  • C) if the question can be answered using both statements together, but cannot be answered using either statement alone
  • D) if the question cannot be answered even using both statements together
Answer: A

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