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4024/11 May/Jun 2024, Question 10: Scale Drawings

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 3 marks

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The question, in short

Fuel gauge diagram with 8 equal divisions, needle at the 5th from empty, and 40 litres in the tank. Find the full tank capacity, then fuel used over 300 km at 5.4 litres per 100 km.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (a) · 2 marks

The needle sits at the 5th of 8 equal divisions with 40 litres in the tank. Calculate the fuel the tank holds when full.

  1. 1The needle is at 5/8 of full
  2. 25/8 of full = 40 litres
  3. 3Full = 40 ÷ 5 × 8 = 64 litres

Answer64

Part (b) · 1 mark

The car uses 5.4 litres per 100 km. Calculate the fuel used on a 300 km journey.

  1. 1300 km = 3 × 100 km
  2. 25.4 × 3 = 16.2 litres

Answer16.2

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