CAT LCM and HCF is an important topic in the Number System chapter of the Quantitative Aptitude (QA) section of the Common Admission Test (CAT). It covers lCM and HCF word problems, relationships between them. Practising CAT LCM and HCF PYQs helps candidates understand question patterns, improve calculation speed, and identify concepts that appear frequently. No LCM and HCF question appeared in CAT 2021-2025. The 7 questions in this PDF come from CAT 1991-2002.

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The following guide covers the year-wise weightage trend, question types, where the topic fits within Number System, difficulty level, and preparation strategy.

This PDF includes:

7
LCM and HCF questions in the PDF
0.0%
Five-year QA Share (2021-2025)

The PDF holds 7 LCM and HCF questions from CAT 1991-2002, grouped by year and slot. Answer keys and solutions are not included.

CAT LCM and HCF PYQ Statistics (2021-2025)

The following figures represent the aggregated number of LCM and HCF questions across all three slots of CAT each year, not the count in an individual slot.

YearTotal Questions (All Slots)Average per SlotWeightage in QAChange in Weightage
202500.000.00%0.00%
202400.000.00%0.00%
202300.000.00%0.00%
202200.000.00%0.00%
202100.000.00%—
Total00.000.00% overall—

Weightage is the share of the 66 Quantitative Aptitude questions across the three slots in that year. Change in weightage is the difference in percentage points from the previous year. The busiest year for LCM and HCF across the whole PDF was CAT 2002, with 2 questions.

CAT LCM and HCF PYQ Question-Type Distribution

CAT LCM and HCF questions in the Quantitative Aptitude section can appear as Multiple Choice Questions (MCQs) or Type In The Answer (TITA) questions.

No LCM and HCF question appeared in CAT 2021-2025, so the figures below cover the full PDF of 7 questions: 7 are MCQs and 0 are TITA.

Question TypeQuestions in the PDFShare
MCQs (Multiple Choice Questions)7100.0%
TITA (Type In The Answer)00.0%
Total7—

Where LCM and HCF Fits in CAT Number System

LCM and HCF accounts for 7 of the 159 questions in the Number System chapter PDF, about 4.4%.

ChapterQuestions in chapter PDFQuestions on this topicShare of chapter
Number System15974.4%

Difficulty Level of CAT LCM and HCF PYQs

By the difficulty tag in our question bank, 5 of the 7 LCM and HCF questions are medium, 0 are hard and 2 are easy.

DifficultyTypical question characteristicsPreparation focusQuestions in PDF
EasyDirect application of one standard formula or ruleFormula recall and accuracy2
ModerateMulti-step problems that need two or three ideasConcept selection and efficient calculation5
DifficultQuestions that combine several concepts or need case analysisCase analysis and alternative solving methods0

How to Prepare for CAT LCM and HCF Using PYQs

Follow a three-stage preparation plan to get the most out of the question bank.

  • Build conceptual clarity: Revise lCM and HCF word problems, relationships between them before attempting timed practice.
  • Practise topic-wise PYQs: Solve the 7 CAT LCM and HCF questions in this PDF. Record the year and slot, your accuracy, and the time taken.
  • Attempt mixed sets: Once LCM and HCF is comfortable, mix it with other Number System questions. Review incorrect answers and identify whether the mistake came from concept selection, calculation, or time management.

Because no LCM and HCF question appeared in CAT 2021-2025, treat it as lower priority than the chapters that appear every year, but do not skip it entirely.

CAT QA Formula Sheet PDF

CAT LCM and HCF PYQs FAQs

Ques. How many LCM and HCF questions are asked in CAT?

Ans. No LCM and HCF question appeared in CAT 2021-2025. The PDF has 7 questions from CAT 1991-2002.

Ques. What does CAT LCM and HCF cover?

Ans. It covers lCM and HCF word problems, relationships between them.

Ques. How can I practise CAT LCM and HCF questions PYQ topic-wise?

Ans. Solve the 7 questions in this PDF in order, noting the year and slot. Note the concepts or calculation methods you find difficult, then practise mixed Number System questions under timed conditions.

Ques. Does the CAT LCM and HCF PYQ PDF include solutions?

Ans. No. The PDF contains the 7 questions with their year, slot and source question number, without answer keys or solutions.