Railway Group D Maths and NTPC exam| Number System | Most Important Questions |

इस वीडियो में हम Railway Group D Exam के लिए Number System Maths को Basic से Advance तक बिल्कुल आसान भाषा में समझेंगे। 📌 Number System, RRB Group D का सबसे Scoring और Repeated Chapter है। इस वीडियो में वही सवाल शामिल हैं जो Group D परीक्षा में बार-बार पूछे जाते हैं। ✅ इस वीडियो में कवर होंगे (Group D Level): ✔ संख्या पद्धति (Natural, Whole, Integer) ✔ सम–विषम संख्या ✔ अभाज्य एवं संयोज्य संख्या ✔ LCM & HCF (Short Tricks) ✔ विभाज्यता के नियम ✔ अंतिम अंक (Unit Digit) ✔ शेषफल (Remainder) ✔ Factors & Multiples ✔ PYQ Pattern (Group D) ✔ Fast Calculation Tricks ailway group d, railway group d exam, railway group d 2025, RRB Group D preparation, railway group d maths, railway group d important questions, railway group d previous year question, railway group d Hindi medium, group d maths easy method, railway group d reasoning, railway group d gk, railway group d practice set, railway group d mock test, railway group d syllabus, railway group d question paper, railway group d exam preparation, railway exam Hindi, group D math tricks, railway group d profit and loss, Railway Group D simple questions #railwaygroupd, #groupdmaths, #numbersystem, #railwayexam, #rrbgroupd2025, #mathstricks, #lcmhcf, #divisibilityrules, #unitdigit, #remaindertheorem, #mathsshorttricks, #examtricks, #railwaypreparation, #starkunjacademy, #ytshorts