CBSE & Bihar Board PYQs, notes and marking schemes
Question frequency trends, marking scheme breakdowns and chapter-wise study guides for Class 10 and Class 12 board candidates, written by IIT alumni.
All study guides
CBSE & BSEB Class 12 Chemistry Notes PDF: Chapter-wise Revision Notes & Reactions (All 9 Chapters)
Download free chapter-wise revision notes PDF for Class 12 Chemistry (CBSE & Bihar Board). Covers Physical, Inorganic, and Organic Chemistry chapters with name reactions, formulas, and direct Google Drive PDF download links.
CBSE & BSEB Class 12 Maths Notes PDF: Chapter-wise Formula Sheets & PYQs (All 12 Chapters)
Download free chapter-wise revision notes and formula sheets PDF for Class 12 Maths (CBSE & Bihar Board). Covers Calculus, Vectors, 3D Geometry, Matrices, and Probability with direct Google Drive PDF download links.
BSEB & CBSE Class 12 Solved Previous Year Question Papers PDF (2026): Physics, Maths, Biology Solutions & PYQ Archive
Download Bihar Board (BSEB) & CBSE Class 12 solved previous year question papers PDF with step-by-step solutions for Physics, Mathematics, Biology, and CBSE Maths repeated questions.
Bihar Board (BSEB) Class 12 VVI Important Questions 2027 PDF: Physics & Maths Chapter-wise Guess Paper
Download Bihar Board (BSEB) Class 12 VVI Important Questions 2027 PDF for Physics and Mathematics. Includes chapter-wise guess questions, 50% OMR objective practice, and 2-mark & 5-mark subjective solutions.
BSEB Class 12 Physics Top 5 Sure Shot Questions 2027 PDF: Most Expected Derivations with Complete Solutions
Download Bihar Board (BSEB) Class 12 Physics Top 5 Sure Shot Questions 2027 PDF with complete step-by-step solutions: Transformer, Biot-Savart Law, Photoelectric Effect, Parallel Plate Capacitor, and Moving Coil Galvanometer.
Class 12 Physics Top 10 Must-Know 5-Mark Derivations with Proofs (CBSE & BSEB 2026/2027)
Master the top 10 most repeated 5-mark physics derivations for CBSE and BSEB Class 12: Gauss Law, Lens Maker Formula, Huygens Principle, Biot-Savart Law, and Capacitance.
Class 12 Chemistry: All 35 Named Reactions with Mechanisms & Conversions Sheet (CBSE & BSEB)
Complete Class 12 Chemistry Name Reactions Cheat Sheet covering all 35 reactions with equations, mechanisms, organic conversion pathways, and chemical distinction tests.
Bihar Board (BSEB) Class 12 Physics 300 Objective (MCQ) Questions Bank with Answers (50% OMR Target)
Download and practice 300 high-yield objective MCQ questions with answers and explanations for Bihar Board Class 12 Physics. Covers all 14 chapters for 35/35 OMR score.
Bihar Board (BSEB) Class 12 Chemistry 300 Objective (MCQ) Questions Bank with Answers (50% OMR Target)
Comprehensive 300 objective MCQ questions bank for Bihar Board Class 12 Chemistry (Physical, Inorganic, Organic) with verified answer keys and detailed explanations.
Bihar Board (BSEB) Class 12 Mathematics 300 Objective (MCQ) Questions Bank with Answers (50% OMR Target)
Practice 300 most expected objective questions for Bihar Board Class 12 Maths with step hints and answers. Master 50/50 OMR marks in Calculus, Vectors, and Matrices.
Bihar Board (BSEB) Class 12 Biology 300 Objective (MCQ) Questions Bank with Answers (50% OMR Target)
Download 300 high-frequency objective questions for Bihar Board Class 12 Biology with complete bilingual answers across Genetics, Reproduction, and Biotechnology.
Class 12 Physics Chapter-Wise Subjective Question Bank PDF: 15 Questions Per Chapter (SA & LA with Solutions)
Master Class 12 Physics subjective questions chapter-wise: 10 Short Answer (2-3M) and 5 Long Answer (5M) derivations per chapter with step solutions and formulas.
Class 12 Chemistry Chapter-Wise Subjective Question Bank PDF: 15 Questions Per Chapter (Reasoning & Reactions)
Complete chapter-wise subjective question bank for Class 12 Chemistry: 10 Short Answer and 5 Long Answer reaction questions per chapter with detailed model answers.
Class 12 Mathematics Chapter-Wise Subjective Question Bank PDF: 15 Questions Per Chapter (Calculus & Vectors)
Download Class 12 Maths chapter-wise subjective questions: 10 Short and 5 Long Answer questions per chapter with step-by-step proofs and algebraic solutions.
Class 12 Biology Chapter-Wise Subjective Question Bank PDF: 15 Questions Per Chapter (Genetics & Reproduction)
High-yield Class 12 Biology subjective question bank: 10 Short Answer and 5 Long Answer questions per chapter with diagrams descriptions and step answers.
Bihar Board (BSEB) Class 12 Hindi 100 Marks VVI Questions Bank PDF (Digant Bhag 2 & Vyakaran)
Download Bihar Board Class 12 Hindi (100 Marks) VVI questions with answers. Covers Digant Bhag 2 prose, poetry, and Hindi Vyakaran (Samas, Sandhi, Muhavare).
Bihar Board (BSEB) Class 12 English 100 Marks VVI Questions Bank PDF (Rainbow Part 2 & Grammar)
Download Bihar Board Class 12 English (100 Marks) VVI questions bank. Covers Rainbow Part 2 prose, poetry, and English grammar (Voice, Narration, Prepositions).
Bihar Board Class 10 Matric Science (Vigyan) 200 VVI Objective Questions Bank PDF with Answers
Download 200 VVI objective questions for Bihar Board Class 10 Science (Physics, Chemistry, Biology) with verified answers for 40/40 Matric OMR score.
Bihar Board Class 10 Matric Mathematics 200 VVI Objective Questions Bank PDF with Answers
Download 200 VVI objective questions for Bihar Board Class 10 Maths with answers. Covers Trigonometry, Coordinate Geometry, Real Numbers, and Algebra.
Class 12 Physics & Chemistry Practical Viva Voce Questions & Answers PDF (30 Marks Practical Target)
Comprehensive Class 12 practical viva voce questions and answers for Physics (Ohm's Law, Meter Bridge, Lens) and Chemistry (Salt Analysis, KMnO4 Titration).
Reading shows what was asked. Writing shows what you lose.
Write a board answer on paper, click a photo, and PrepOne marks it step by step against the board scheme in about a minute.
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