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UPSC CSE Prelims 2008 · GS paper · Heritage, festivals, calendars & coins

What does the Baudhayan theorem (Baudhayana Sulva Sutras) relate to?

A question from UPSC Civil Services (Preliminary) Examination 2008, General Studies, explained with its sources.

Prelims 2008 · archive

Easy

What does the Baudhayan theorem (Baudhayana Sulva Sutras) relate to?

Answer & explanation

Answer: (a) Lengths of sides of a right-angled triangle

The Baudhayana theorem in the Sulbasutras is the statement of what is now called the Pythagoras theorem, relating the sides of a right-angled triangle.

  • ✓ (a) The Sulbasutras state the Pythagorean relation and use it in constructing altars.
  • ✗ (b) The Sulbasutras give approximations of pi, but the named 'theorem' is the right-triangle rule.
  • ✗ (c) Logarithms are a much later development.
  • ✗ (d) The normal curve is modern statistics.

Remember · Baudhayana Sulbasutra (c. 800 BCE): Pythagoras theorem for altar geometry.

📘 Read it in NCERT: Class 11 Knowledge Traditions and Practices of India, Part I, Ch 6 (practise this chapter) · Class 11 Knowledge Traditions and Practices of India, Part I, Ch 6 (practise this chapter)

Sources

Question: UPSC Civil Services (Preliminary) 2008, General Studies paper. UPSC did not publish an answer key for 2008: the answer shown is the one the sources above support. Explanation: Minimalist IAS, checked 24 Oct 2026 (how we verify). ·

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