NTPC

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

by

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

by
Problem Solving technique

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)

by
Problem Solving technique

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)

by
Problem Solving technique

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-5 Area based Practice Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank,Railways)

by
Problem Solving technique

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-4 HCF and LCM : Methods and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank, Railways)

by
Problem Solving technique

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

Maths-4 LCM (Least Common Multiple) : Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank,Railways)

by
Problem Solving technique

Maths-4 LCM (Least Common Multiple) : Questions and Step-by-Step Solutions for Competitive Exams SSC, BSSC, Bank,Railways) LCM (Least Common Multiple) from the very basics in easy, step-by-step style. This is super useful for solving problems involving time, repetition, or synchronization. What is LCM (Least Commom Multiple ) LCM of two or more numbers is the … Read more

Complete Current Events  notes on Major Awards and honours in India for BPSC and Other Competitive Exams in 2025

by
Reasoning

Complete Current Events  notes on Major Awards and honours in India for BPSC and Other Competitive Exams in 2025 Current Events – 4 Comprehensive notes on the major awards and honours in India over the last 18 months covering Padma Awards, National Film Awards, and the Bharat Ratna. Objective questions are included at the end … Read more

Complete  Notes on Major Changes in the Economy of Bihar – Post-Independence for BPSC and Other Competitive Exams in 2025

by
Reasoning

Complete  Notes on Major Changes in the Economy of Bihar – Post-Independence for BPSC and Other Competitive Exams in 2025 Economics- 8 Economy of Bihar Bihar, located in eastern India, possesses a largely service-based economy despite a significant agricultural foundation. While still facing developmental challenges, the state has witnessed commendable economic growth in recent years.  … Read more

Complete  notes on Renewable vs Non-Renewable Energy  for BPSC and Other Competitive Exams in 2025

by
Reasoning

Complete  notes on Renewable vs Non-Renewable Energy  for BPSC and Other Competitive Exams in 2025 General Science- 25 (Environment) Renewable vs Non-Renewable Energy Renewable and non-renewable energy sources are the two main categories of energy used by humans, differing primarily in their ability to replenish. Renewable energy sources, like solar and wind, are naturally replenished and … Read more