Worked Example
Revision challenge 9
For Class 10 Mathematics, explain or solve a introduction question from the chapter "Real Numbers". Focus on revision challenge and show the working clearly.
Step-by-step solution path
- Read the topic idea: Introduction.
- Recall the core explanation from the chapter: Class 10 NCERT chapter on Euclid’s division lemma, prime factorisation, irrational numbers and decimal expansions.
- Use the related formula "Terminating Decimal Test" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Introduction. A strong solution should identify the correct data, apply Terminating Decimal Test, and explain each transition instead of jumping directly to the answer.