Question 1 of 98
ThinkCAT Practice SetQANumber Systems • HCF/LCMEasy
What is the HCF of 48 and 180?
⌨️ Shortcuts:[1-4 / A-D] Select[Enter] Check[B] Star[S] Solution
Number Systems • HCF & LCM Practice Drills (98 Qs)• Convenor Master Key Verified
CAT HCF & LCM Practice Questions & Applications (95+ Questions)
Euclidean Algorithm, Bell Ringing Problems, Remainder Models with LCM, and Fraction HCF/LCM
98 Total Questions
MCQ: 80 (+3 / -1)
TITA: 18 (0 Negative Penalty)
CAT Direct Answer Fact Sheet & Citation Summary
Structured Knowledge Graph • Verified Academic Analysis
Updated for CAT 2026: 1 November 2026
Curated Practice Bank
98 Qs
80 MCQ + 18 TITA
99%ile Score Benchmark
28–31 Marks (out of 66 in QA, ~10 net correct questions)
Scoring Scheme
+3 / -1 / 0
Zero penalty on TITA
Testing Interface
TCS iON CBT
On-Screen Calc Enabled
IIM Exam Strategy & Score Maximization Directives
1Prioritize high-yield arithmetic & algebra questions first to secure the 85th percentile sectional cutoff in the first 20 minutes.
2TITA questions carry zero negative penalty (0 marks for wrong answers); attempt all TITA questions before the sectional timer runs out.
3Use the on-screen digital calculator only for complex 3-digit divisions; mental math approximations save 35–45 seconds per question.
Editorial & Academic Authority: Verified by ThinkCAT Academic & Editorial Council.
Citation Format: ThinkCAT Academic Archive (thinkcat.in)
Exam Hall Pitfalls & Elimination Tactics: HCF & LCM Practice Drills
- 1Finding HCF/LCM of fractions before reducing them to their simplest coprime form.
Interactive Problem Sets (9 Modules)
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Set 05: HCF/LCM
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Set 07: HCF/LCM
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Set 08: HCF/LCM
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Set 09: HCF/LCM
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Official Exam Questions & Explanations (25 of 98)
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Question 14 of 98
ThinkCAT Practice SetQANumber Systems • HCF/LCMModerate
What is the HCF of 126and ?
⌨️ Shortcuts:[1-4 / A-D] Select[Enter] Check[B] Star[S] Solution
ThinkCAT Pro Topic DrillQA • Number Systems
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ThinkCAT Pro Topic DrillQA • Number Systems
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ThinkCAT Pro Topic DrillQA • Number Systems
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ThinkCAT Pro Topic DrillQA • Number Systems
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ThinkCAT Pro Topic DrillQA • Number Systems
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This question is part of ThinkCAT Pro. Upgrade to unlock step-by-step verified derivations, shortcut methods, trap warnings, and 30 timed 40-minute sectional sprints.
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Frequently Asked Questions about CAT HCF & LCM Practice Questions & Applications (95+ Questions)
What concepts are covered in the HCF & LCM Practice Drills practice module?
This module covers HCF/LCM with 98 verified problems ranging from core foundation to high-difficulty CAT exam hall level.
What is the recommended solving time for HCF & LCM Practice Drills questions?
The ideal target pace is 1.5 to 2.0 mins / question. Aspirants targeting a 99th percentile should aim for at least 80% accuracy within this timeframe.
Where can I find official past year CAT papers for HCF & LCM Practice Drills?
Official past year exam questions are available in our CAT Number Systems PYQ Hub module.
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