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CSAT · 20 questions

Geometry & mensuration

Every UPSC CSAT question on this topic, 2016–2026, newest first. Tap an option to check yourself; the answer and explanation open below it.

Geometry & mensuration questions per year: 2016: 6, 2017: 1, 2018: 3, 2019: 0, 2020: 3, 2021: 2, 2022: 2, 2023: 2, 2024: 1, 2025: 0, 2026: 0 Asked in 8 of 11 years · most in 2016 (6)

UPSC syllabus: “Basic numeracy (numbers and their relations, orders of magnitude, etc.) (Class X level), Data interpretation (charts, graphs, tables, data sufficiency etc. — Class X level);” See the full syllabus →

CSAT 2024 · Q30

Easy

Consider the following:

  1. 1.1000 litres = 1 m³
  2. 2.1 metric ton = 1000 kg
  3. 3.1 hectare = 10000 m²

Which of the above are correct?

Answer & explanation

Answer: (d) 1, 2 and 3

All three are standard metric equivalences: a cubic metre holds 1000 litres, a metric ton (tonne) is 1000 kg, and a hectare is a 100 m × 100 m square, i.e. 10000 m².

  1. 1 m³ = 100 cm × 100 cm × 100 cm = 10,00,000 cm³, and 1 litre = 1000 cm³, so 1 m³ = 1000 litres.
  2. 1 metric ton (tonne) = 1000 kg by definition.
  3. 1 hectare = 100 m × 100 m = 10000 m².
  4. All three statements are correct.
  • ✓ 1. 1 m³ = 10,00,000 cm³ and 1 litre = 1000 cm³, so 1 m³ = 1000 litres.
  • ✓ 2. A metric ton (tonne) is defined as 1000 kg.
  • ✓ 3. A hectare is the area of a square of side 100 m: 100 × 100 = 10000 m².

Remember · Know the core metric links: 1 litre = 1000 cm³, 1 m³ = 1000 litres, 1 hectare = 10000 m², 1 tonne = 1000 kg.

Question and answer: UPSC's official GS Paper II (2024, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). Permalink ·

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