Competitive Exam

Maths-11 Probability: Questions and Step-by-Step Solutions for all Competitive Exams

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Maths-11 Probability: Questions and Step-by-Step Solutions for all Competitive Exams Let’s learn probability from the very beginning. Here are the Key formulas and step-by-step worked examples (digit-by-digit arithmetic). What is probability? Probability measures how likely an event is to happen.If all outcomes are equally likely: “Probability of event ” E=P(E)=”Number of favourable outcomes” /”Total number … Read more

Maths-10 Bar Graphs: Questions and Step-by-Step Solutions for all Competitive Exams

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Maths-9 Bar Graphs : Questions and Step-by-Step Solutions for all Competitive Exams Bar graphs & other graphs Let’s make bar graphs, histograms, line graphs, pie charts and reading data from tables super clear. I’ll start from basics, show rules, then give worked examples (step-by-step) you can follow and practise. 1) What is a graph? A … Read more

Maths-9 Problems on Ages: Questions and Step-by-Step Solutions for all Competitive Exams

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Maths-9 Problems on Ages: Questions and Step-by-Step Solutions for all Competitive Exams Age problems are one of the friendliest topics in maths. We’ll start with the basic idea, learn useful shortcuts, and solve several example problems step-by-step so nothing is left mysterious. Problems on Ages 1. The basic idea An age problem asks about how … Read more

Maths-8 Profit and Loss : Questions and Step-by-Step Solutions for all Competitive Exams

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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 ₹120 (CP). He sells it for ₹150 (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

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Problem Solving technique

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

Math-7 Simple Interest : 20 mixed-difficulty SI problems- each with step-by-step (digit-by-digit) solutions

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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

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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: Practice Questions and Step-by-Step Solutions for Competitive Exams (SSC, BSSC, Bank, Railways)

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Maths-6 Time and Distance: Practice Questions and Step-by-Step Solutions for Competitive Exams (SSC, BSSC, Bank, Railways) Time & Distance — 20-question mixed worksheet (Basic → Exam) with step-by-step solutions 20 practice questions on Time, Speed & Distance, arranged easy to hard. Each problem is followed by a clear, digit-by-digit solution so you can see exactly … Read more

Maths-6 Time and Distance: Questions and Step-by-Step Solutions for Competitive Exams (SSC, BSSC, Bank, Railways)

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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-2 Percentage: Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank, Railways

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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