🔀 Permutation & Combination Lab

n aur r choose karo — nPr aur nCr live calculate karo. Step-by-step dekho.

ⁿPᵣ (Permutation — order matters)
60
= 5! / (5−3)! = 60
ⁿCᵣ (Combination — order doesn't matter)
10
= 5! / (3! × 2!) = 10

Pascal's Triangle

🎯 Missions

Score: 0 / 100

Mission 1: ⁷P₂ = ?

Mission 2: ⁶C₃ = ?

Mission 3: 5 books ko 5 shelves pe kitne tarike arrange kar sakte hain?

Mission 4: ⁿC₂ = 10. n = ?

Mission 5: ⁸C₅ = ?