Previous Year Questions | CSIR + DBT 2026 | CSIR NET + DBT Express 2026 | Lec-6 | IFAS

Previous Year Questions | CSIR + DBT 2026 | CSIR NET + DBT Express 2026 | Lec-6 | IFAS explained with clear concepts and exam-focused approach. Master CSIR NET PYQs & DBT important questions with shortcuts, work-time tricks, geometry, probability, and more for GS Aptitude. 🔥Join India's Best Coaching for CSIR NET and GATE Exams: https://ifasonline.com/csir-net/csir-... 📞 Need Guidance? Call/WhatsApp: 9172266888 ━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Lecture Timeline: [00:02:43] – Introduction: CSIR NET & DBT PYQ Session [00:04:08] – Question 1: Work & Time (Efficiency Ratio) [00:05:06] – Concept: Efficiency ∝ 1/Time [00:08:48] – Question 2: Work & Time (Man‑Hours) [00:13:34] – Question 3: Simplification (Exponents & Roots) [00:17:38] – Question 4: Max Square Beam from Cylindrical Log [00:26:02] – Question 5: Percentage Equation (8%x = 4%y) [00:28:53] – Question 6: Permutation – PATLIPUTRA Letters [00:33:43] – Question 7: Probability – Divisible by 4 or 6 [00:36:35] – Important: Avoid Double Counting (12,24) [00:37:31] – Question 8: Original Fraction (% Change) [00:42:43] – Question 9: Same Letter from COZ & EFFECT [00:47:09] – Careful: Two E’s in EFFECT (3 Favorable) [00:51:02] – Question 10: Counting Rectangles (Figure) [00:52:22] – Method: Systematic Counting by Size [00:55:57] – Question 11: Maximum Relative Change (Viral Load) [00:59:55] – Question 12: Missing Number Series [01:03:40] – Question 13: Train & Man (Same Direction) [01:06:14] – Concept: Relative Speed = Difference [01:08:58] – Question 14: Ladder Against Wall (Height & Distance) [01:14:02] – Question 15: Cube Surface Area/Volume Ratio [01:16:36] – Homework & Free Practice Resources [01:21:09] – Complete Session: Aptitude Mixed PYQs & Concepts ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: • Work & Time PYQ (Efficiency, MDH/W) • Simplification & Surds Tricks • Geometry & Mensuration (Volume Fraction) • Permutation-Combination & Probability PYQ • Figure Counting (Rectangles) • Percentage & Fraction Problems • Speed, Time, Distance (Relative Speed) • Height & Distance (Trigonometry) • Cube Surface/Volume Ratio ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on previous year questions, solving work‑time efficiency, simplification, geometry, permutation, probability, data interpretation, and speed‑distance PYQs with shortcuts. The PYQ discussion includes CSIR NET & DBT patterns, with step‑wise problem‑solving and concept clarity. Strengthen your CSIR NET PYQ solving skills. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 This lecture is highly beneficial for students preparing for: ✅ CSIR NET ✅ GATE Exam ✅ SET Exams ✅ TIFR ✅ BARC / DRDO / ISRO Exams ✅ PhD Entrance Exams ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Why IFAS is India’s No. 1 Choice for CSIR NET & GATE? (Our Results Speak): ✅ CSIR NET Dec 2025: 4000+ Selections (AIR 3, 8, 9.....) ✅ CSIR NET June 2025: 4200+ Selections (AIR 1, 2, 6, 10...) ✅ CSIR NET Dec 2024: 4000+ Selections (AIR 5, 6, 7, 8, 9...) ✅ CSIR NET June 2024: 2000+ Selections (AIR 3, 10, 13...) ✅ CSIR NET Dec 2023: 1200+ Selections (AIR 2, 4, 5...) 📄 View IFAS Result Sheet: 👉 https://drive.google.com/file/d/1THh6... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 Important Links: 🌍 Visit our Website: https://ifasonline.com 📞 Contact for Queries: 9172266888 📘 Free Counselling: https://ifasonline.com/csir-net/physi... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 India's Best Online Classes and Books: 🔥CSIR NET General Aptitude Live & Recorded Course: https://ifasonline.com/csir-net/csir-... 🎯 GATE Aptitude Recorded Course: https://ifasonline.com/gate/gate-pape... 📘CSIR NET General Aptitude Books: https://ifasonline.com/csir-net/csir-... ━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 Download IFAS App: Android: https://play.google.com/store/apps/de... IOS: https://apps.apple.com/us/app/ifas/id... ━━━━━━━━━━━━━━━━━━━━━━━━━ Stay Updated Via Other Social Media: ✔ Telegram: https://t.me/IFASGeneralAptitude ✔ Instagram:   / csir_net_general_aptitude   #dbt #csirnetgeneralaptitude #gateaptitude #csirnetaptitude #csirnetjune2026 #csirnetlecture #ifasaptitude