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RRB NTPC is your gateway to prestigious Indian Railways jobs, attracting lakhs of aspirants annually for technical and non-technical roles. Knolby's daily WhatsApp MCQs build unbreakable study habits, keeping you exam-ready with consistent, bite-sized practice across all key subjects.
BiologyChemistryComputerCurrent AffairsEconomyGeographyHistoryIndian PolityPhysicsScience and Technology
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Knolby — RRB NTPC
Current Affairs | May - June (2025)
What was the total investment announced by Ambani, Adani, and Agarwal at the North East Investors summit?
A
Rs 50,000 croreB
Rs 1,00,000 croreC
Rs 1,55,000 crore ✓D
Rs 2,00,000 croreC
Correct! *Option C (Correct):* Rs 1.55 lakh crore was jointly announced by these industrialists.
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Syllabus
What you'll study in RRB NTPC
10 subjects · 85 chapters — full exam coverage
Biology(7)
Cell BiologyDiversity&ClassificationHuman-Organ systemsNutritionPathologyTissuesVegetative Parts
Chemistry(9)
Acids,Bases and SaltsAtoms & MoleculesCarbon & Its CompoundsChemical ReactionsIs Matter Around Us PureMetals & Non-MetalsPeriodic ClassificationStructure of AtomsSubstance & its Nature
Computer(6)
Advanced TechnologiesComputer & its HistoryCyber SecurityHardware, Memory & I/OInternet, Networks & WebSoftware, OS & Program
Current Affairs(7)
Jan - Feb (2026)July - August (2025)Mar - Apr (2026)May - June (2025)May - June (2026)Nov - Dec (2025)Sep - Oct (2025)
Economy(10)
Basics of EconomicsDevelopment & SocialEmployment&UnemploymentExternal SectorFinancial InstitutionsMonetary PolicyMoney & Banking SystemNational Income & GrowthPoverty & InequalityPublic Finance & Budget
Geography(8)
ClimatologyEcology & BiodiversityGeomorphologyNatural ResourcesPhysical Geography-IndiaPhysical Geography-WorldUniverseWorld Geography
History(10)
Delhi SultanateEarly Medieval IndiaIndus & Vedic AgeIntro & PrehistoricMahajanapadas-MauryasModern India & FreedomMughals & MarathasNorth-West KingdomsPost-Mauryan & GuptaSouth & Deccan Rule
Indian Polity(10)
Bodies and CommissionsCitizenship and RightsConstitutional HistoryDuties and LanguageEmergency ProvisionsFederal StructureJudiciaryLocal GovernanceParliament & LegislatureUnion Executive
Physics(9)
ElectricityElectro MagnetismForce & Laws of MotionGravitationHuman EyeLightMotionSoundWork & Energy
Science and Technology(9)
Bio TechnologyCrypto CurrencyDefence TechnologyFemale ScientistsInnovations&DiscoveriesNano TechnologyNuclear TechnologyRoboticsSpace Technology
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Test your knowledge across: Biology · Chemistry · Computer · Current Affairs · Economy · +5 more
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Test Result · RRB NTPC · 10 Questions
Your score
5/10
Accuracy
50%
Topic breakdown
History73%
Chemistry59%
Current Affairs45%
Biology35%
Focus: Biology & Current Affairs
Pricing
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What RRB NTPC learners say
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“Knolby's daily MCQs helped me cover the entire RRB NTPC syllabus in just 3 months. The variety of topics kept me engaged and exam-ready.”
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Delhi · RRB NTPC
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“I loved getting questions on my phone every day. No app downloads, no confusion—just pure practice. Cleared RRB NTPC with flying colors!”
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Priya Sharma
Bengaluru · RRB NTPC
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“The Current Affairs and Economy MCQs on Knolby were spot-on. Exactly the level of difficulty I faced in the actual exam.”
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Arun Patel
Pune · RRB NTPC
FAQ
Frequently asked questions
What is Knolby?
Knolby is the world's first WhatsApp-based exam preparation platform. Instead of downloading yet another app, you get daily MCQs, expert explanations, and AI-powered analytics delivered directly in your WhatsApp — the app already on 2.7 billion phones.
Do I need to download any app?
No downloads, no sign-ups, no passwords. Open WhatsApp, send "Hi" to our number, and you're learning within seconds. Everything happens inside the WhatsApp you already use every day.
Is Knolby free?
Yes — you can start completely free. Knolby offers a free tier so you can experience daily MCQs and explanations before committing. Premium plans unlock higher daily question limits, deeper AI analytics, and access to more exam categories.
How are the questions and explanations made?
Every question is crafted by subject-matter experts and experienced faculty. Explanations are human-written and exam-standard — not AI-generated filler. AI is used to personalise delivery, track your performance, and surface your weakest topics so you study smarter.
Is Knolby easy to use? Do I need to download an app?
Absolutely! Knolby works directly on WhatsApp—no app download needed. Simply start a chat with Knolby, and you'll receive daily MCQs, explanations, and personalized analytics right in your messages. It's designed to be intuitive, so you can begin preparing in seconds.
What topics are covered in Knolby's RRB NTPC MCQ practice?
Knolby covers all RRB NTPC syllabus subjects: Biology, Chemistry, Physics, Computer Knowledge, Current Affairs, Economy, Geography, History, Indian Polity, and Science & Technology. Each topic is reinforced through daily practice questions.
How difficult are the MCQs compared to the actual RRB NTPC exam?
Our MCQs match the exact difficulty level of RRB NTPC. We focus on frequently asked topics and tricky questions that appear in the exam, helping you build strong conceptual clarity.
How does daily WhatsApp delivery help my RRB NTPC preparation?
Daily MCQs via WhatsApp ensure consistent practice without app fatigue. You can solve questions during short breaks, track progress, and build exam confidence gradually over weeks.
Can Knolby help me clear RRB NTPC in 2-3 months?
Yes. With consistent daily practice of 15-20 minutes through our curated MCQs, most students cover the entire syllabus and improve accuracy significantly within 2-3 months.
Are the MCQs based on the latest RRB NTPC exam pattern?
Absolutely. Our question bank is regularly updated based on recent RRB NTPC exams and official notification changes to ensure relevance and accuracy.
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