1

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Three of the five positive integers p, q, r, s, t are even and two of them are odd (not necessarily in order). Consider the following :

1. p + q + r - s - t is definitely even.

2. 2p + q + 2r - 2s + t is definitely odd.

Which of the above statements is/are correct?

2

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

If p, q, r and s are distinct single digit positive numbers, then what is the greatest value of (p + q) (r + s)?

3

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Each digit of a 9-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number?

4

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Let pp, qq and rr be 2-digit numbers where p < q < r. If pp + qq + rr = tt0, where tt0 is a 3-digit number ending with zero, consider the following statements :

1. The number of possible values of p is 5.

2. The number of possible values of q is 6.

Which of the above statements is/are correct?

Questions Asked from Elementary Algebra (Marks 2.5)

Number in Brackets after Paper Indicates No. of Questions

UPSC Civil Service Subjects

History of India

Science and Technology

Ecology and Environment

Indian Polity and Governance

Evolution of the Constitution Salient Features of Indian Constitution Union and Its Territory Fundamental Rights Directive Principles of State Policy (DPSP) Fundamental Duties System of Governance Union Executive Union Legislature State Legislature and Executive Local Government Union Territories and Special Areas The Judiciary Constitutional and Non-Constitutional Bodies

Economy

Current Affairs

Comprehension

Basic Numeracy

Logical Reasoning and General Mental Ability

Data Interpretation and Sufficiency