Real Number System and Completeness MCQs

Prepare for Real Number System and Completeness MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

12 Solved Questions • 9 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Real Analysis on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Real Analysis (Mathematics).

100% Verified Answer Keys CSS, PMS, FPSC, PPSC, NTS Ready 2026/2027 Syllabus Guidelines

Direct Definition & Conceptual Scope

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Real Number System and Completeness constitutes an essential examination topic within Mathematics, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Solved Questions

Practice with answers, explanations, and exam-focused revision notes.

12 MCQs Page 1

High-Yield Exam Revision Cheat Sheet & Mnemonics

Essential exam standard definitions and formulas for rapid 2-minute revision

High-Frequency Articles
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Federalism & Provinces
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Topic Notes: Real Number System and Completeness

Quick Revision 2 min read 12 key points
Section 1 of 4

1 1. The Real Number System as a Field

3 points
  • Definition
    Field Axioms: The set R satisfies 11 axioms including closure, associativity, commutativity, identity, and inverse for both addition and multiplication, plus the distributive law.
  • Theory
    Multiplicative Inverse: A field axiom not satisfied by the set of integers (Z), as only 1 and -1 have multiplicative inverses in Z, whereas every non-zero real number has a reciprocal in R.
  • Definition
    Ordered Field: R is an ordered field, meaning there exists a subset P (positive reals) such that for any x, y in P, x+y and xy are in P, and for any x, exactly one of x=0, x in P, or -x in P holds.
Section 1 / 4
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1
Which property ensures that the real line has no 'gaps'?
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2
Which subset of the real numbers is NOT complete under the standard Euclidean metric?
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3
The real number system is constructed as a complete ordered field. What does 'ordered' imply in this context?
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4
A sequence (a_n) is called a Cauchy sequence if for every epsilon > 0, there exists an integer N such that for all m, n > N, what condition holds?
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5
Which of the following sets is NOT bounded above in the set of real numbers?
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6
The Bolzano-Weierstrass theorem states that every bounded sequence in R has what?
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7
Which field axiom is satisfied by the real numbers but not by the set of all integers?
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8
A set S is said to be dense in R if every non-empty open interval in R contains at least one element of S. Which set is dense in R?
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9
Which statement best describes the Archimedean property of the real numbers?
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10
What is the supremum of the set S = {x in R : x^2 < 5}?
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Pedagogical Syllabus Blueprint

Real Number System and Completeness MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Real Number System and Completeness MCQs consistently constitute a decisive 10% to 25% weightage of the Real Analysis paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Real Number System and Completeness MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Mathematics, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.