UPSC 2026 CSAT Number System Divisibility Rules | PYQs based | Mission 66: Class 1

Описание: Unlock the secrets of the Number System! 🎯

In this first class of our Mission 66 crash course, we dive deep into Divisibility Rules—one of the most high-yield topics for the UPSC CSAT and State PCS exams. Instead of just theory, we solve this topic through the lens of Previous Year Questions (PYQs) to understand exactly how the examiner thinks.

What we cover in Class 1:

Essential Divisibility Rules (2 to 13 and composite numbers).

Smart tricks to solve complex remainder problems.

Step-by-step solutions for actual UPSC & PCS PYQs.

Strategies to ensure you confidently clear the 66.67 qualifying mark.

About Your Mentor: I am Vikky Kashyap, an M.Sc. Chemistry graduate from IIT Mandi. Having qualified for NET, GATE, and IIT-JAM, I aim to simplify CSAT for every aspirant through my "Knowledge Refreshment" initiative.


Join the Mission: Subscribe to follow the 90-day and 30- classes crash course and turn CSAT from a hurdle into a scoring opportunity!

You can support me by contributing on UPI ID vikky3063-2@okicici

#UPSC2026 #CSAT #NumberSystem #Mission66 #CivilServices #PCS #UPSCPreparation #DivisibilityRules #upscprelims #numbersystem

Welcome to the KnowledgeRefreshment YouTube Channel.

This channel is dedicated to aspirants preparing for UPSC and State Public Service Commission (PCS) examinations. The content is designed to provide exam-oriented, conceptually clear, and high-quality guidance for serious aspirants.

🔹 What you will find on this channel:

General Studies for Prelims and Mains

Current Affairs (analytical and exam-focused)

Previous Year Questions (PYQs) with detailed explanations

Analysis of coaching institute test series

Answer writing guidance and preparation strategies

👨‍🏫 About Me – Mr. Vikky Kashyap

M.Sc. in Chemistry – IIT Mandi

B.Sc. (Physics, Chemistry, Mathematics) – HNB Garhwal University

NET (Lectureship) Qualified

GATE Qualified

Actively associated with UPSC and State PCS preparation for the past 8 years

The aim of this channel is to simplify complex topics, strengthen conceptual understanding, and help aspirants prepare in a structured and efficient manner.

🎯 Mission:
To provide accurate guidance, smart strategies, and reliable study resources to UPSC and State PCS aspirants.

If you are preparing for UPSC or State PCS examinations, KnowledgeRefreshment is your trusted learning companion.

Subscribe and move one step closer to your dream civil service.