Number System MCQs - Number System & Operations

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

270 Solved Questions • 203 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Number System MCQs - Number System & Operations 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 Number System & Operations (Mathematics-General Ability).

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

Direct Definition & Conceptual Scope

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Number System - Number System & Operations constitutes an essential examination topic within Mathematics-General Ability, 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.

270 MCQs Page 15

High-Yield Exam Revision Cheat Sheet & Mnemonics

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

High-Frequency Articles
  • Art. 6: High Treason
  • Art. 9: Security of Person
  • Art. 19-A: Right to Information
  • Art. 25-A: Free Education (5–16 yrs)
Federalism & Provinces
  • Art. 140-A: Local Government
  • Art. 153: Council of Common Interests
  • Art. 160: National Finance Commission
  • Art. 175-A: Judicial Commission (JCP)
Islamic Provisions
  • Art. 2: Islam as State Religion
  • Art. 2A: Objectives Resolution Substantive
  • Art. 203: Federal Shariat Court (FSC)
  • Art. 228: Council of Islamic Ideology
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141
Which of the following numbers is divisible by 6? (a) 12378 (b) 12363 (c) 12370 (d) 12388
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142
Which of the following numbers is divisible completely by both 9 and 11? (a) 277218 (b) 10098 (c) 12345 (d) 181998
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143
What should be added to 135642 to get the largest six digit number? (a) 864350 (b) 863357 (c) 864357 (d) 864347
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144
How many numbers between 1 and 99 (inclusive) have a non-zero tens digit? (a) 98 (b) 90 (c) 99 (d) 100
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145
The least number that is divisible by all the numbers from 2 to 10 is– (a) 2520 (b) 100 (c) 504 (d) 9
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146
A student divided a number by 12 instead of 21 and received 35. Find the correct answer. (a) 20 (b) 15 (c) 26 (d) 25
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147
A number when divided by 7 leaves a remainder 4. What will be the remainder when the square of the same number is divided by 7? (a) 2 (b) 4 (c) 1 (d) 3
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148
In a five-digit number, the digit in the hundred's place is 2 and the digit in the unit's place is twice the digit in the hundred's place. The digit at thousands place is zero. The digit in the ten thousand's place is the sum of the digit in the hundred's place and the digit in the unit's place. The digit in the ten's place is the digit in the ten thousand's place minus 1. The number is: (a) 60234 (b) 60224 (c) 60254 (d) 60264
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149
Find the sum of the smallest and the largest positive numbers of 6 digits which contain only digits 0, 4, 6 and each of these digits appears at least once. (a) 666444 (b) 604604 (c) 666666 (d) 1066646
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150
How many numbers of the first 100 positive integers are divisible by 3 or 4 without a remainder? (a) 50 (b) 5 (c) 58 (d) 85
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Pedagogical Syllabus Blueprint

Number System MCQs - Number System & Operations: 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 Number System MCQs - Number System & Operations consistently constitute a decisive 10% to 25% weightage of the Number System & Operations 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 Number System MCQs - Number System & Operations, 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-General Ability, 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.