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How to Solve (हल करने का तरीका)

Step-by-step problem-solving tutorials explained in the simplest possible language. Master core formulas, learn universal calculation methods, study transparent worked examples, and practice similar questions for Madhya Pradesh and national competitive exams.

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Quantitative Aptitude

Beginner4m read

How to Find the LCM of Three Numbers: Step-by-Step Guide

तीन संख्याओं का ल.स. (LCM) कैसे निकालें: आसान तरीका

The Least Common Multiple (LCM), or लघुत्तम समापवर्त्य (ल.स.), of three numbers is the smallest positive number that is completely divisible by all three numbers without leaving any remainder. In competitive exams like MP Police Constable, MP Patwari, and SSC, LCM questions frequently appear in arithmetic, time and work, and bell-ringing interval problems.

5 step-by-step breakdown with worked examples

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Quantitative Aptitude

Beginner4m read

How to Find the HCF of Three Numbers: Step-by-Step Guide

तीन संख्याओं का म.स. (HCF) कैसे निकालें: आसान तरीका

The Highest Common Factor (HCF), or महत्तम समापवर्तक (म.स.), also known as the Greatest Common Divisor (GCD), of three numbers is the largest positive number that divides all three numbers completely with zero remainder. In competitive exams, HCF is fundamental for simplifying fractions, finding maximum tile sizes, and grouping problems.

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Quantitative Aptitude

Beginner3m read

How to Use the Relation Between LCM and HCF in Exam Questions

LCM और HCF के बीच संबंध: परीक्षा में प्रश्न हल करने का तरीका

One of the most frequently asked question patterns in state competitive exams is based on the golden mathematical relation between the LCM and HCF of two numbers. Knowing how to manipulate this formula saves valuable minutes during exams.

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Quantitative Aptitude

Beginner4m read

How to Calculate Percentage Increase and Decrease in Exam Questions

प्रतिशत वृद्धि और कमी कैसे निकालें: आसान फॉर्मूला और ट्रिक्स

Percentage change measures the relative change between an initial (original) value and a new value expressed as a percentage. It is one of the most fundamental concepts tested across arithmetic, profit and loss, data interpretation, and population growth questions.

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Quantitative Aptitude

Intermediate4m read

How to Find the Unit Digit of Large Powers in Seconds

बड़ी घातों का इकाई अंक (Unit Digit) कैसे निकालें: साइक्लिसिटी ट्रिक

Questions asking for the unit digit of expressions like 7²⁰²⁶ or 3⁴⁵ occur regularly in the Number System section of MP Police, MPPSC, and SSC exams. By understanding the concept of cyclicity (repeating unit digit patterns), you can solve these in under 10 seconds without calculating huge powers.

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