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Class 10 · Mathematics (Standard) · Unit 14: Probability

Coin and Die Problems

Lesson 5 of 6
nn coins tossed: 2n2^n outcomes. nn dice rolled: 6n6^n outcomes. To count outcomes matching a condition (e.g. exactly kk heads), use combinatorial reasoning: list or use (nk)\binom{n}{k}. Fairness assumption is critical.
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026