Ratio, Proportion, LCM, and HCF for Competitive Exams — PickAClass
⏱ 2h 54m 📚 29 lessons

Ratio, Proportion, LCM, and HCF for Competitive Exams

Master essential quantitative aptitude concepts and solve exam-style problems with clear, step-by-step written explanations.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Do you want to build a rock-solid foundation in mathematics for competitive and civil service exams? Mastering core arithmetic concepts is the fastest way to boost your quantitative aptitude score and solve problems with confidence. This comprehensive written course guides you from fundamental mathematical principles to solving complex exam-style questions. You will learn the core theories behind ratios, proportions, lowest common multiple (LCM), and highest common factor (HCF), and apply them to real-world exam patterns. What you'll learn: 1. Understand the foundational concepts of ratios, proportions, LCM, and HCF. 2. Apply step-by-step formulas to solve classic exam-style word problems. 3. Practice mental math techniques to find factors and multiples quickly. 4. Solve proportion and sharing problems using structured algebraic methods. 5. Analyze previous exam question patterns to identify common shortcuts and traps. 6. Master divisibility rules to speed up calculations without a calculator. The course begins with clear definitions and core terminology, ensuring you understand the logic behind every mathematical rule. You will then progress through structured written examples and practice problems designed to mirror actual competitive exam questions. This course is designed specifically for beginners and aspirants preparing for public service or competitive exams who want to rebuild their math skills from scratch. No advanced mathematical background is required to begin. Start reading today to sharpen your quantitative skills and master exam-level arithmetic.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Ratio, Proportion, LCM, and HCF for Competitive Exams
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Ratio, Proportion, LCM, and HCF for Competitive Exams
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews

No reviews yet — be the first to share your experience.

Write a review

You'll be asked to sign in after sending — your draft is saved.

Learners also took

Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing