🔥 Remainder Trick by 9 | Number System Shortcut for All Competitive Exams!

Are you preparing for SSC, CGL, CHSL, CPO, RRB, Banking, Railway, Defence, or State PSC exams?
Then you must master Remainder Theorems — they appear repeatedly in number system questions!

In this video, we explain how to find the remainder when any big expression is divided by 9 using a simple, easy-to-remember trick that saves you time in the exam hall.

✅ What You’ll Learn in This Short:

The basic concept behind division by 9

The digital sum method to quickly find the remainder

Shortcut tips to avoid long division

Real exam-style problems with instant solutions

How to apply the trick to huge numbers in seconds


💡 Why This Trick Is Important?
The remainder-by-9 method is not just a memory hack — it’s based on modular arithmetic concepts that form the backbone of advanced number system problems. Many examiners test this repeatedly because it checks both your concept clarity and speed.

📌 Example in This Video:
We break down the expression step-by-step, apply the shortcut, and arrive at the answer in under 10 seconds. No calculator, no tedious calculations — just pure smart work!

📚 Perfect for Students Preparing for:
SSC CGL | SSC CHSL | SSC CPO | RRB NTPC | Banking Exams | IBPS PO & Clerk | SBI PO & Clerk | Insurance Exams | State PSC | Defence Exams (NDA, CDS, AFCAT) | Teaching Exams (TET, CTET) | Any competitive test where aptitude & reasoning is tested.

🚀 Pro Tip: Learn this method, and you’ll cut your calculation time drastically, giving you more time for tough reasoning or DI questions in your exam.

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