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Chapters - 70 Days Math By Prashant Sir

1. L1 - Ratio 2. L2 - Ratio 3. L3 - Ratio

1. L4 - Proportion

1. L5 - Age

1. L6 - Percentage 2. L7 - Percentage 3. L8 - Percentage 4. L9 - Percentage

1. L10 - Profit & Loss 2. L11 - Profit & Loss 3. L12 - Profit & Loss 4. L13 - Profit & Loss 5. L14 - Profit & Loss

1. L15 - Discount Part 2. L16 - Discount Part 3. L17 - Discount Part

1. L18 - Simple Interest 2. L19 - Simple Interest 3. L20 - Simple Interest 4. L21 - Simple Interest

1. L22 - Compound interest 2. L23 - Compound interest 3. L24 - Compound interest 4. L25 - Compound interest 5. L26 - Compound interest 6. L27 - Compound interest

1. L28 - Simple Interest - Installment

1. L29 - Partnership 2. L30 - Partnership

1. L31 - Average 2. L32 - Average 3. L33 - Average 4. L34 - Average 5. L35 - Average 6. L36 - Average

1. L37 - Mixture & Alligation

1. L38 - Replacement

1. L39 - Alligation

1. L40 - Work and Time 2. L41 - Work and Time 3. L42 - Work and Time 4. L43 - Work and Time

1. L44 - Pipe & Cistern

1. L45 - Time Speed & Distance 2. L46 - Time Speed & Distance 3. L47 - Time Speed & Distance 4. L48 - Time Speed & Distance 5. L49 - Time Speed & Distance 6. L50 - Time Speed & Distance 7. L51 - Time Speed & Distance

1. L52 - Number System

1. L53: Remainder Theorem 2. L54 - Remainder Theorem 3. L55 - Remainder Theorem 4. L56 - Remainder Theorem 5. L57 - Remainder Theorem

1. L58 - Number System 2. L59 - Number System 3. L60 - Number System 4. L61 - Number System

1. L62 - LCM & HCF 2. L63 - LCM & HCF 3. L64 - LCM & HCF

1. L65 - Algebra 2. L66 - Algebra 3. L67 - Algebra 4. L68 - Algebra 5. L69 - Algebra 6. L70 - Algebra 7. L71 - Algebra

About this video

70 Days Math By Prashant Sir

70 Days Math by Prashant Sir is a day-by-day arithmetic course for government exams, with 71 lessons in 22 topic chapters: Ratio, Proportion, Age, Percentage, Profit and Loss, Discount, Simple Interest and Instalments, Compound Interest, Partnership, Average, Mixture and Alligation, Replacement, Work and Time, Pipe and Cistern, Time Speed and Distance, Number System and more. Lessons are numbered L1, L2, L3 so you can follow the 70-day plan in order.

Prashant Sir teaches each topic from the basic concept to the exam-level shortcut, in Hindi, with topic-wise practice after every few lessons. The course targets the arithmetic that fills most of the Quantitative Aptitude section of SSC CGL, CHSL, MTS, GD, RRB NTPC, Group D, Bank Clerk and State Police exams.

  • Plan: one lesson a day with the practice questions, and a weekly revision of the week's tricks.
  • High-weightage chapters: Percentage, Profit and Loss, Interest, Time and Work, Speed and Distance.

22 chapters · 71 free videos · Watch in order from the first chapter.

Frequently asked questions

Which math topics are covered in 70 Days Math?
Ratio and Proportion, Ages, Percentage, Profit and Loss, Discount, Simple and Compound Interest, Instalments, Partnership, Average, Mixture and Alligation, Replacement, Time and Work, Pipes and Cisterns, Time Speed and Distance, Number System and the remaining arithmetic topics, in 71 lessons.

How many math questions come in SSC CGL and RRB NTPC?
SSC CGL Tier 1 has 25 Quantitative Aptitude questions (50 marks) and RRB NTPC CBT 1 has 30 Mathematics questions, and in both, arithmetic topics such as percentage, profit and loss, interest, averages, ratios, time and work and speed and distance make up about 60 to 70 percent of the questions.

Is 70 Days Math suitable for beginners?
Yes. Each topic starts with the basic concept (for example what a ratio is) before moving to exam shortcuts, and the day-wise order builds on previous lessons, so students weak in math can follow it from Day 1.

Who is Prashant Sir?
Prashant Sir is the mathematics faculty at Crazy GkTrick, known for simple Hindi explanations and short tricks for arithmetic, teaching SSC, Railway, Bank and Police aspirants.

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