15 Marks · 45 Periods — Sets, Relations, AP/GP, Permutations & Combinations
Set theory, Venn diagrams, operations, cartesian product, relations
AP, GP, AM, GM, applications in economics aur real-world
Counting principles, nPr, nCr, factorial — kitne tarike hain?
Venn diagram builder, AP/GP visualizer, P&C calculator