Mental Reasoning 1- Series: Practice Set of 30 Questions with Step-by-Step Solutions as in Competitive Exams SSC, BSSC, Bank, Railways Part A: Number Series (संख्या श्रृंखला) Q1. 2, 4, 8, 16, ? Step: Each term ×2✅ Next term = 32Answer: 32Explanation (Hindi): हर संख्या पिछली संख्या का दुगना है। Q2. 5, 10, 20, 40, ?, … Read more
Mental Reasoning 1- Series: Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank, Railways Mental Reasoning based on Series is one of the most common and high-scoring parts of Reasoning Ability in competitive exams like SSC, RRB, Banking, Defence, or State PSCs. Let’s go step-by-step from the basics to advanced, covering all major types, … Read more
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-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 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 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 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: 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
