JEE Main: Team Selection with Conditions — Smart Combinations 💡
❓ Concept 🎬 Team Selection P&C Trick in 59 Sec JEE mein jab question bole 👉 “at least” + special roles (captain/vice-captain) samajh jao — yeh direct formula ka question nahi hai . Yeh pura case-wise counting ka game hai 🔥 🖼️ Concept Image ✍️ Short Explanation Team-selection problems tough lagte hain kyunki students: ❌ Sabko ek saath count karne ki koshish karte hain ❌ “At least” condition ko ignore kar dete hain JEE ka sahi approach hai: 👉 problem ko todna , step-by-step. 🔹 Step 1 — Fix the Mandatory Members First Agar question bole: Captain MUST be included Vice-captain MUST be included 👉 Unhe pehle fix karo. Iska matlab: Team size kam ho jaata hai Available people bhi kam ho jaate hain 📌 Important rule: Jo fix ho gaye — unhe dobara count nahi karte . 🔹 Step 2 — Understand “At Least” Condition “At least k k ” ka matlab hota hai: k , k + 1 , k + 2 , … k,\ k+1,\ k+2,\dots 👉 Isse single formula nahi banta 👉 Isse C...