Q. The curved surface area and the slant height of a right circular cone are 858 cm² and 13 cm respectively. Find its diameter (in cm).

Article

• 🎬 Aspirants Season 3: फिर लौट रही है UPSC सपनों की कहानी Released on 13 मार्च 2026
• India e-Visa: 11 नए Entry Ports जोड़े गए
• Sensex and Nifty Fall: Stock Market Slumps Amid Global Cues, Rupee Hits Record Low
• Bihar Budget 2024-25 - Samrat Chaudhary will present his first budget, know in which areas achievements can result
• राष्ट्रमंडल खेल 2026: ग्लासगो में आयोजन, भारत के 39 पदक और महत्वपूर्ण तथ्य
• What is Russian Revolution?
• एकीकृत 71वीं संयुक्त प्रतियोगिता परीक्षा – 2025राज्य सरकार के विभिन्न विभागों में कुल 1250 पदों पर नियुक्ति! /Integrated 71st Combined Competitive Examination – 2025 Appointment on a total of 1250 posts in various departments of the state government!
• Simla Agreement
• ‘One Nation One Subscription’ Scheme
• Top 50 Mainstream Films That Boldly Explore Sexuality
• Meet India's four astronauts selected for ISRO's Gaganyaan Mission
• Apple lunched iPhone 16 series on September 9, 2024 - Buy Now In offer
• Govt of India Appointed ONGC New Director Arunangshu Sarkar
• Mpox (formerly known as monkeypox) vaccine recommend by WHO - MVA-BN and JYNNEOS
• Top 50 Adult-Themed Movies (2000–2024)
• Padma Awards 2024: पद्म विभूषण, पद्म भूषण और पद्म श्री क्या है? | Padma Awards पूरी जानकारी हिंदी में
• India 2025 Environment Report: Mixed Outlook on Challenges, Progress, and Sustainability
• Nepal appoints former Chief Justice Sushila Karki as Prime Minister
• CCPI 2026: India Ranks 23rd in Global Climate Change Performance Index
• केरल तट के निकट लाइबेरियन जहाज डूबा, जहाज पर खतरनाक सामग्री और प्लास्टिक नर्डल्स से पर्यावरण संकट/Liberian ship sinks near Kerala coast, environmental crisis due to hazardous material and plastic nurdles on board
• 70th BPSC PT EXAM: BPSC परीक्षा में धांधली के सबूत लेकर घूमते रह गए खान सर, पटना हाई कोर्ट ने सबकुछ कर दिया साफ
• States and Capitals in India – List of 28 States & 8 UT 2025
• भारत में लोकसभा और राज्यसभा सीटों की पूरी सूची 2025 (Descending Order) – Lok Sabha & Rajya Sabha Seats by State
• UPSC History - Preparation Tips, Book and Author
• Important Days 2026: जनवरी से दिसंबर तक सभी महत्वपूर्ण दिवस
• UPSC CSAT - Pattern and Syllabus, Resources, PYQs, Mock Tests
• WWF Flags 7 Indian Conservation Sites in Global Wildlife Trafficking Report
• Bima Sakhi Yojana - Government of India's Women Empowerment Scheme
• Dirac Medal 2026: Deepak Dhar Wins Prestigious ICTP Award | UPSC Current Affairs
• City-Killer Asteroid 2024 YR4 on Potential Collision Course: 2.3% Impact Chance in 2032, India Among Risk Zones
• RBI Launches WhatsApp Channel for Verified Financial Updates and Risk Management
• Global IndiaAI summit 2024 -
• Mock Drills: Preparing for Emergencies & Saving Lives
• Network Readiness Index 2024: Global Insights on Digital Transformation
• Indian Navy to commission new base in Minicoy islands of Lakshadweep
• NDDB Aims For One-Third Global Milk Production Said chairman Meenesh Shah
• माधव गाडगिल पैनल और पश्चिमी घाट: पर्यावरण संरक्षण की दिशा में ऐतिहासिक रिपोर्ट
• Navegaon Nagzira Tiger Reserve is in Which State?
• Sandeshkhali accused and TMC neta Shahjahan Sheikh arrested by Bengal police on February 29
• 20 Cities Towards Zero Waste Initiative – Which Indian City is Included? 2026 Answer
• After BRI Project Exit, Italy's PM Giorgia Meloni Signs Economic Pact In China
• पश्चिमी घाट के इतने बड़े हिस्से को इको-सेंसिटिव एरिया बनाने का प्रस्ताव
• PUBG Game- Player Unknown's Battlegrounds
• Budget 2024
• Tutors Near Me | Find Private Tutors & Online Tutoring
• 🌟 Create Your Official Teacher or Institute Page on TutorLiv.com – Start Today!
• Tips to Learn Current Affairs for UPSC Exam
• UPSC Economy - Preparation Tips, Book and Author
• Viksit Bharat 2047: NITI Aayog’s Vision for a Developed and Prosperous India
• ### **GOBARdhan योजना: गोबर से गैस, खाद और ग्रामीण अर्थव्यवस्था को बढ़ावा**
• Tamil Nadu New CM 2026: Vijay Becomes Chief Minister After Historic Election Win
• President's Rule Imposed in Manipur: Political Crisis and Ethnic Violence Lead to Central Takeover
• Volunteer held for rape-murder of Kolkata doctor- Will hang him, says CM Mamata
• डकन का पठार दरारी उद्गार से निकले बेसाल्टिक लावा से निर्मित हुआ।
• TutorLiv: Find Nearby Tutors, Learn Better
• Why is Mars Red? New Research Reveals a Surprising Truth
• 📚 How to Create a Page for an Individual / Home / Private Teacher on TutorliV
• PM Modi visited Ukraine | Will this effect on international relation with Russia?
• BSF Admit Card 2025 released for HCM, ASI Steno: Download your hall tickets for PET, PST
• Barometers and Its Types