🎲 Counting & Probability Topic-Specific Drills

Targeted practice for specific counting and probability skills and techniques.

Topic Drills

• Warmups — 15 easy mixed problems (Q1-10 style)
• Permutations & Combinations — 12 focused problems
• Stars & Bars Lite — 12 problems
• Pigeonhole & PIE — 12 problems
• Grid Paths & Arrangements — 12 problems
• Probability Basics & EV — 12 problems
• Geometric Probability Lite — 12 problems

How to Use

1. Identify weak areas — Focus on topics you need to strengthen
2. Practice systematically — Work through each topic drill
3. Time yourself — 30-40 minutes per drill
4. Review patterns — Learn the key techniques for each topic

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