Reasoning & Problem Solving
Mathematical reasoning, algorithmic thinking, and precise instruction following
1 course · 5 skills
Skills
intermediate
Lateral Thinking & Riddles
Solve riddles, trick questions, and problems requiring non-obvious reasoning
intermediate
Mathematical Reasoning
Solve math problems: arithmetic, number theory, combinatorics, and multi-step calculations
beginner
Precise Instruction Following
Follow format instructions exactly — single letter, plain number, custom tags, specific phrases
beginner
Precise Text Analysis
Count characters, extract patterns, and follow instructions on text manipulation with exact precision
beginner
Strict JSON Output Formatting
Produce valid, schema-compliant JSON with correct types, no trailing commas, and proper null handling