Maths-8 Profit and Loss : Questions and Step-by-Step Solutions for all Competitive Exams Profit and Loss 🔹 Basic words to know 🔹 Helpful idea (rule of thumb) Step-by-step Examples Example 1 — Simple Profit Q: Ravi buys a toy for â‚ą120 (CP). He sells it for â‚ą150 (SP). Find profit and profit%. Step-by-step: Answer: Profit … Read more
Maths-7 Compound Interest : Questions and Step-by-Step Solutions for all Competitive Exams What Is Compound Interest? Compound Interest means you earn interest not just on the original money (called Principal)- but also on the interest you’ve already earned. It’s like your money is growing on its own every year-like a tree that grows more branches, … Read more
Simple Interest : 20 mixed-difficulty SI problems- each with step-by-step (digit-by-digit) solutions 20 practice problems on Simple Interest tailored for competitive exams (CDS, SSC, Railways, etc.), each with a clear, step-by-step solution and a short explanation. I show every arithmetic step so there’s no confusion. Simple Interest — 20 Practice Questions with Solutions Problems Solutions … Read more
Maths-7 Simple Interest : Questions and Step-by-Step Solutions for all Competitive Exams Simple Interest — a beginner’s guide (clear formulas + step-by-step examples) -I’ll explain the terms, give the core formulas, then walk through several competition-style examples with every arithmetic step shown so there’s no confusion. 1) What is Simple Interest (SI)? Simple interest is … Read more
Maths-6 Time and Distance: Questions and Step-by-Step Solutions for Competitive Exams (SSC, BSSC, Bank, Railways) Time and Distance from the very basics. This topic is a staple in competitive exams like CDS, SSC, UPSC, and once you master the core formulas and logic, you’ll solve these questions quickly and confidently. Core Concept: Time and Distance … Read more
Maths-6 Percentage: Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank, Railways What Is a Percentage? Percentage means “out of 100.”It’s a way to show how much of something you have compared to the whole. Example: If you got 80 marks out of 100, we say you scored 80%.So, 80% = 80 out of … Read more
Maths-5 Area: Practice with Tricky Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank,Railways Area-Based Practice Questions with Step-by-Step Solutions 🔹 1. Area of a Square Q: Find the area of a square with side 9 cm.Solution:Area = side Ă— side = ( 9 Ă— 9 = 81 ) cm² âś… 🔹 2. Area … Read more
Maths-5 Area based practice Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank,Railways) A Set of 20 area based practice questions with step-by-step solutions, covering all major 2D shapes. These will help you master geometry for CDS, SSC, UPSC, and other exams. Area Based Practice Questions with Step-by-Step Solutions 🔹 1. Area of a … Read more
Maths-5 Area : Questions and Step-by-Step Solutions for Competitive Exams (SSC, BSSC, Bank,Railways) Let’s build your understanding of Area from the very basics. Area is a key concept in geometry and is often tested in competitive exams like CDS, SSC, and UPSC. Once you grasp the formulas and logic, solving area-based questions becomes quick and … Read more
Maths-4 HCF and LCM : Methods and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank, Railways) HCF and LCM from the basics. These are foundational concepts in arithmetic and number theory, and they appear often in competitive exams like CDS, SSC, and UPSC. What is HCF and LCM? HCF (Highest Common Factor) LCM (Least Common … Read more
